Home / 7,342.11-10,132.02-4,156.04

Finding the Fourth Proportional to 7,342.11, 10,132.02 and 4,156.04

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Solution

The fourth proportional to 7,342.11, 10,132.02 and 4,156.04 is: 5,735.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,342.11 : 10,132.02 = 4,156.04 : x
  2. Step 2: Convert to fraction form
    7,342.11/10,132.02 = 4,156.04/x
  3. Step 3: Cross multiply
    7,342.11x = 10,132.02 × 4,156.04
  4. Step 4: Simplify right side
    7,342.11x = 42,109,029.74
  5. Step 5: Solve for x
    x = 42,109,029.74/7,342.11
  6. Step 6: Final answer
    x = 5,735.28

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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.