Home / 9,130.52-12,600.24-5,151.62

Finding the Fourth Proportional to 9,130.52, 12,600.24 and 5,151.62

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Solution

The fourth proportional to 9,130.52, 12,600.24 and 5,151.62 is: 7,109.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,130.52 : 12,600.24 = 5,151.62 : x
  2. Step 2: Convert to fraction form
    9,130.52/12,600.24 = 5,151.62/x
  3. Step 3: Cross multiply
    9,130.52x = 12,600.24 × 5,151.62
  4. Step 4: Simplify right side
    9,130.52x = 64,911,648.39
  5. Step 5: Solve for x
    x = 64,911,648.39/9,130.52
  6. Step 6: Final answer
    x = 7,109.30

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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.