Home / 10,155.04-15,232.95-3,134.42

Finding the Fourth Proportional to 10,155.04, 15,232.95 and 3,134.42

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Solution

The fourth proportional to 10,155.04, 15,232.95 and 3,134.42 is: 4,701.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,155.04 : 15,232.95 = 3,134.42 : x
  2. Step 2: Convert to fraction form
    10,155.04/15,232.95 = 3,134.42/x
  3. Step 3: Cross multiply
    10,155.04x = 15,232.95 × 3,134.42
  4. Step 4: Simplify right side
    10,155.04x = 47,746,541.54
  5. Step 5: Solve for x
    x = 47,746,541.54/10,155.04
  6. Step 6: Final answer
    x = 4,701.76

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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.