Home / 9,122.25-12,583.84-6,132.95

Finding the Fourth Proportional to 9,122.25, 12,583.84 and 6,132.95

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Solution

The fourth proportional to 9,122.25, 12,583.84 and 6,132.95 is: 8,460.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,122.25 : 12,583.84 = 6,132.95 : x
  2. Step 2: Convert to fraction form
    9,122.25/12,583.84 = 6,132.95/x
  3. Step 3: Cross multiply
    9,122.25x = 12,583.84 × 6,132.95
  4. Step 4: Simplify right side
    9,122.25x = 77,176,061.53
  5. Step 5: Solve for x
    x = 77,176,061.53/9,122.25
  6. Step 6: Final answer
    x = 8,460.20

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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.