Home / 7,432.80-10,252.08-6,499.68

Finding the Fourth Proportional to 7,432.80, 10,252.08 and 6,499.68

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Solution

The fourth proportional to 7,432.80, 10,252.08 and 6,499.68 is: 8,965.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,432.80 : 10,252.08 = 6,499.68 : x
  2. Step 2: Convert to fraction form
    7,432.80/10,252.08 = 6,499.68/x
  3. Step 3: Cross multiply
    7,432.80x = 10,252.08 × 6,499.68
  4. Step 4: Simplify right side
    7,432.80x = 66,635,239.33
  5. Step 5: Solve for x
    x = 66,635,239.33/7,432.80
  6. Step 6: Final answer
    x = 8,965.03

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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.