Home / 11,587.71-15,991.65-6,552.15

Finding the Fourth Proportional to 11,587.71, 15,991.65 and 6,552.15

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Solution

The fourth proportional to 11,587.71, 15,991.65 and 6,552.15 is: 9,042.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,587.71 : 15,991.65 = 6,552.15 : x
  2. Step 2: Convert to fraction form
    11,587.71/15,991.65 = 6,552.15/x
  3. Step 3: Cross multiply
    11,587.71x = 15,991.65 × 6,552.15
  4. Step 4: Simplify right side
    11,587.71x = 104,779,689.55
  5. Step 5: Solve for x
    x = 104,779,689.55/11,587.71
  6. Step 6: Final answer
    x = 9,042.31

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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.