Home / 12,632.22-17,432.28-7,330.05

Finding the Fourth Proportional to 12,632.22, 17,432.28 and 7,330.05

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Solution

The fourth proportional to 12,632.22, 17,432.28 and 7,330.05 is: 10,115.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,632.22 : 17,432.28 = 7,330.05 : x
  2. Step 2: Convert to fraction form
    12,632.22/17,432.28 = 7,330.05/x
  3. Step 3: Cross multiply
    12,632.22x = 17,432.28 × 7,330.05
  4. Step 4: Simplify right side
    12,632.22x = 127,779,484.01
  5. Step 5: Solve for x
    x = 127,779,484.01/12,632.22
  6. Step 6: Final answer
    x = 10,115.36

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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.