Home / 11,153.96-15,392.86-6,118.19

Finding the Fourth Proportional to 11,153.96, 15,392.86 and 6,118.19

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Solution

The fourth proportional to 11,153.96, 15,392.86 and 6,118.19 is: 8,443.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,153.96 : 15,392.86 = 6,118.19 : x
  2. Step 2: Convert to fraction form
    11,153.96/15,392.86 = 6,118.19/x
  3. Step 3: Cross multiply
    11,153.96x = 15,392.86 × 6,118.19
  4. Step 4: Simplify right side
    11,153.96x = 94,176,407.59
  5. Step 5: Solve for x
    x = 94,176,407.59/11,153.96
  6. Step 6: Final answer
    x = 8,443.32

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Half scale
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Double scale
Find fourth proportional to 11,154.96, 15,394.24 and 6,119.19
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.