Home / 11,290.43-15,580.17-6,254.25

Finding the Fourth Proportional to 11,290.43, 15,580.17 and 6,254.25

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Solution

The fourth proportional to 11,290.43, 15,580.17 and 6,254.25 is: 8,630.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,290.43 : 15,580.17 = 6,254.25 : x
  2. Step 2: Convert to fraction form
    11,290.43/15,580.17 = 6,254.25/x
  3. Step 3: Cross multiply
    11,290.43x = 15,580.17 × 6,254.25
  4. Step 4: Simplify right side
    11,290.43x = 97,442,278.22
  5. Step 5: Solve for x
    x = 97,442,278.22/11,290.43
  6. Step 6: Final answer
    x = 8,630.52

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Half scale
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Double scale
Find fourth proportional to 11,291.43, 15,581.55 and 6,255.25
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.