Home / 8,475.20-12,695.36-5,004

Finding the Fourth Proportional to 8,475.20, 12,695.36 and 5,004

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Solution

The fourth proportional to 8,475.20, 12,695.36 and 5,004 is: 7,495.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,475.20 : 12,695.36 = 5,004 : x
  2. Step 2: Convert to fraction form
    8,475.20/12,695.36 = 5,004/x
  3. Step 3: Cross multiply
    8,475.20x = 12,695.36 × 5,004
  4. Step 4: Simplify right side
    8,475.20x = 63,527,581.44
  5. Step 5: Solve for x
    x = 63,527,581.44/8,475.20
  6. Step 6: Final answer
    x = 7,495.70

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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.