Home / 11,085.52-15,299.92-10,587.28

Finding the Fourth Proportional to 11,085.52, 15,299.92 and 10,587.28

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Solution

The fourth proportional to 11,085.52, 15,299.92 and 10,587.28 is: 14,612.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,085.52 : 15,299.92 = 10,587.28 : x
  2. Step 2: Convert to fraction form
    11,085.52/15,299.92 = 10,587.28/x
  3. Step 3: Cross multiply
    11,085.52x = 15,299.92 × 10,587.28
  4. Step 4: Simplify right side
    11,085.52x = 161,984,537.02
  5. Step 5: Solve for x
    x = 161,984,537.02/11,085.52
  6. Step 6: Final answer
    x = 14,612.26

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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.