Home / 10,560.68-14,555.40-9,141.56

Finding the Fourth Proportional to 10,560.68, 14,555.40 and 9,141.56

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Solution

The fourth proportional to 10,560.68, 14,555.40 and 9,141.56 is: 12,599.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,560.68 : 14,555.40 = 9,141.56 : x
  2. Step 2: Convert to fraction form
    10,560.68/14,555.40 = 9,141.56/x
  3. Step 3: Cross multiply
    10,560.68x = 14,555.40 × 9,141.56
  4. Step 4: Simplify right side
    10,560.68x = 133,059,062.42
  5. Step 5: Solve for x
    x = 133,059,062.42/10,560.68
  6. Step 6: Final answer
    x = 12,599.48

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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.