Home / 12,432.02-17,154.67-7,396.45

Finding the Fourth Proportional to 12,432.02, 17,154.67 and 7,396.45

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Solution

The fourth proportional to 12,432.02, 17,154.67 and 7,396.45 is: 10,206.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,432.02 : 17,154.67 = 7,396.45 : x
  2. Step 2: Convert to fraction form
    12,432.02/17,154.67 = 7,396.45/x
  3. Step 3: Cross multiply
    12,432.02x = 17,154.67 × 7,396.45
  4. Step 4: Simplify right side
    12,432.02x = 126,883,683.32
  5. Step 5: Solve for x
    x = 126,883,683.32/12,432.02
  6. Step 6: Final answer
    x = 10,206.20

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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.