Home / 10,801.60-14,900.96-9,306.92

Finding the Fourth Proportional to 10,801.60, 14,900.96 and 9,306.92

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Solution

The fourth proportional to 10,801.60, 14,900.96 and 9,306.92 is: 12,839.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,801.60 : 14,900.96 = 9,306.92 : x
  2. Step 2: Convert to fraction form
    10,801.60/14,900.96 = 9,306.92/x
  3. Step 3: Cross multiply
    10,801.60x = 14,900.96 × 9,306.92
  4. Step 4: Simplify right side
    10,801.60x = 138,682,042.64
  5. Step 5: Solve for x
    x = 138,682,042.64/10,801.60
  6. Step 6: Final answer
    x = 12,839.03

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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.