Home / 34,089.56-51,130.76-9,132.20

Finding the Fourth Proportional to 34,089.56, 51,130.76 and 9,132.20

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Solution

The fourth proportional to 34,089.56, 51,130.76 and 9,132.20 is: 13,697.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,089.56 : 51,130.76 = 9,132.20 : x
  2. Step 2: Convert to fraction form
    34,089.56/51,130.76 = 9,132.20/x
  3. Step 3: Cross multiply
    34,089.56x = 51,130.76 × 9,132.20
  4. Step 4: Simplify right side
    34,089.56x = 466,936,326.47
  5. Step 5: Solve for x
    x = 466,936,326.47/34,089.56
  6. Step 6: Final answer
    x = 13,697.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.