Home / 10,343.04-15,434.64-9,235.52

Finding the Fourth Proportional to 10,343.04, 15,434.64 and 9,235.52

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Solution

The fourth proportional to 10,343.04, 15,434.64 and 9,235.52 is: 13,781.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,343.04 : 15,434.64 = 9,235.52 : x
  2. Step 2: Convert to fraction form
    10,343.04/15,434.64 = 9,235.52/x
  3. Step 3: Cross multiply
    10,343.04x = 15,434.64 × 9,235.52
  4. Step 4: Simplify right side
    10,343.04x = 142,546,926.41
  5. Step 5: Solve for x
    x = 142,546,926.41/10,343.04
  6. Step 6: Final answer
    x = 13,781.92

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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.