Home / 11,990.73-16,557.65-7,522.16

Finding the Fourth Proportional to 11,990.73, 16,557.65 and 7,522.16

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Solution

The fourth proportional to 11,990.73, 16,557.65 and 7,522.16 is: 10,387.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,990.73 : 16,557.65 = 7,522.16 : x
  2. Step 2: Convert to fraction form
    11,990.73/16,557.65 = 7,522.16/x
  3. Step 3: Cross multiply
    11,990.73x = 16,557.65 × 7,522.16
  4. Step 4: Simplify right side
    11,990.73x = 124,549,366.83
  5. Step 5: Solve for x
    x = 124,549,366.83/11,990.73
  6. Step 6: Final answer
    x = 10,387.14

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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.