Home / 9,132.48-13,689-4,745.52

Finding the Fourth Proportional to 9,132.48, 13,689 and 4,745.52

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Solution

The fourth proportional to 9,132.48, 13,689 and 4,745.52 is: 7,113.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,132.48 : 13,689 = 4,745.52 : x
  2. Step 2: Convert to fraction form
    9,132.48/13,689 = 4,745.52/x
  3. Step 3: Cross multiply
    9,132.48x = 13,689 × 4,745.52
  4. Step 4: Simplify right side
    9,132.48x = 64,961,423.28
  5. Step 5: Solve for x
    x = 64,961,423.28/9,132.48
  6. Step 6: Final answer
    x = 7,113.23

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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.