Home / 10,587.20-14,609.76-5,872.16

Finding the Fourth Proportional to 10,587.20, 14,609.76 and 5,872.16

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Solution

The fourth proportional to 10,587.20, 14,609.76 and 5,872.16 is: 8,103.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,587.20 : 14,609.76 = 5,872.16 : x
  2. Step 2: Convert to fraction form
    10,587.20/14,609.76 = 5,872.16/x
  3. Step 3: Cross multiply
    10,587.20x = 14,609.76 × 5,872.16
  4. Step 4: Simplify right side
    10,587.20x = 85,790,848.28
  5. Step 5: Solve for x
    x = 85,790,848.28/10,587.20
  6. Step 6: Final answer
    x = 8,103.26

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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.