Home / 9,058.26-12,487.56-8,001.20

Finding the Fourth Proportional to 9,058.26, 12,487.56 and 8,001.20

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Solution

The fourth proportional to 9,058.26, 12,487.56 and 8,001.20 is: 11,030.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,058.26 : 12,487.56 = 8,001.20 : x
  2. Step 2: Convert to fraction form
    9,058.26/12,487.56 = 8,001.20/x
  3. Step 3: Cross multiply
    9,058.26x = 12,487.56 × 8,001.20
  4. Step 4: Simplify right side
    9,058.26x = 99,915,465.07
  5. Step 5: Solve for x
    x = 99,915,465.07/9,058.26
  6. Step 6: Final answer
    x = 11,030.32

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Half scale
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Double scale
Find fourth proportional to 9,059.26, 12,488.94 and 8,002.20
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.