Home / 10,111.57-15,088.25-9,060.87

Finding the Fourth Proportional to 10,111.57, 15,088.25 and 9,060.87

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Solution

The fourth proportional to 10,111.57, 15,088.25 and 9,060.87 is: 13,520.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,111.57 : 15,088.25 = 9,060.87 : x
  2. Step 2: Convert to fraction form
    10,111.57/15,088.25 = 9,060.87/x
  3. Step 3: Cross multiply
    10,111.57x = 15,088.25 × 9,060.87
  4. Step 4: Simplify right side
    10,111.57x = 136,712,598.18
  5. Step 5: Solve for x
    x = 136,712,598.18/10,111.57
  6. Step 6: Final answer
    x = 13,520.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.