Home / 8,775.08-13,148-6,172.52

Finding the Fourth Proportional to 8,775.08, 13,148 and 6,172.52

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Solution

The fourth proportional to 8,775.08, 13,148 and 6,172.52 is: 9,248.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,775.08 : 13,148 = 6,172.52 : x
  2. Step 2: Convert to fraction form
    8,775.08/13,148 = 6,172.52/x
  3. Step 3: Cross multiply
    8,775.08x = 13,148 × 6,172.52
  4. Step 4: Simplify right side
    8,775.08x = 81,156,292.96
  5. Step 5: Solve for x
    x = 81,156,292.96/8,775.08
  6. Step 6: Final answer
    x = 9,248.50

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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.