Home / 9,132.90-12,603.30-4,941.12

Finding the Fourth Proportional to 9,132.90, 12,603.30 and 4,941.12

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Solution

The fourth proportional to 9,132.90, 12,603.30 and 4,941.12 is: 6,818.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,132.90 : 12,603.30 = 4,941.12 : x
  2. Step 2: Convert to fraction form
    9,132.90/12,603.30 = 4,941.12/x
  3. Step 3: Cross multiply
    9,132.90x = 12,603.30 × 4,941.12
  4. Step 4: Simplify right side
    9,132.90x = 62,274,417.70
  5. Step 5: Solve for x
    x = 62,274,417.70/9,132.90
  6. Step 6: Final answer
    x = 6,818.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.