Home / 10,025.76-15,038.18-4,756.91

Finding the Fourth Proportional to 10,025.76, 15,038.18 and 4,756.91

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Solution

The fourth proportional to 10,025.76, 15,038.18 and 4,756.91 is: 7,135.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,025.76 : 15,038.18 = 4,756.91 : x
  2. Step 2: Convert to fraction form
    10,025.76/15,038.18 = 4,756.91/x
  3. Step 3: Cross multiply
    10,025.76x = 15,038.18 × 4,756.91
  4. Step 4: Simplify right side
    10,025.76x = 71,535,169.85
  5. Step 5: Solve for x
    x = 71,535,169.85/10,025.76
  6. Step 6: Final answer
    x = 7,135.14

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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.