Home / 12,432.04-17,148.72-7,652.80

Finding the Fourth Proportional to 12,432.04, 17,148.72 and 7,652.80

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Solution

The fourth proportional to 12,432.04, 17,148.72 and 7,652.80 is: 10,556.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,432.04 : 17,148.72 = 7,652.80 : x
  2. Step 2: Convert to fraction form
    12,432.04/17,148.72 = 7,652.80/x
  3. Step 3: Cross multiply
    12,432.04x = 17,148.72 × 7,652.80
  4. Step 4: Simplify right side
    12,432.04x = 131,235,724.42
  5. Step 5: Solve for x
    x = 131,235,724.42/12,432.04
  6. Step 6: Final answer
    x = 10,556.25

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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.