Home / 10,680.80-16,037.65-9,036.52

Finding the Fourth Proportional to 10,680.80, 16,037.65 and 9,036.52

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Solution

The fourth proportional to 10,680.80, 16,037.65 and 9,036.52 is: 13,568.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,680.80 : 16,037.65 = 9,036.52 : x
  2. Step 2: Convert to fraction form
    10,680.80/16,037.65 = 9,036.52/x
  3. Step 3: Cross multiply
    10,680.80x = 16,037.65 × 9,036.52
  4. Step 4: Simplify right side
    10,680.80x = 144,924,544.98
  5. Step 5: Solve for x
    x = 144,924,544.98/10,680.80
  6. Step 6: Final answer
    x = 13,568.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.