Home / 9,124.16-12,591.30-4,932.40

Finding the Fourth Proportional to 9,124.16, 12,591.30 and 4,932.40

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Solution

The fourth proportional to 9,124.16, 12,591.30 and 4,932.40 is: 6,806.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,124.16 : 12,591.30 = 4,932.40 : x
  2. Step 2: Convert to fraction form
    9,124.16/12,591.30 = 4,932.40/x
  3. Step 3: Cross multiply
    9,124.16x = 12,591.30 × 4,932.40
  4. Step 4: Simplify right side
    9,124.16x = 62,105,328.12
  5. Step 5: Solve for x
    x = 62,105,328.12/9,124.16
  6. Step 6: Final answer
    x = 6,806.69

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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.