Home / 9,247.35-12,758.67-5,711.70

Finding the Fourth Proportional to 9,247.35, 12,758.67 and 5,711.70

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Solution

The fourth proportional to 9,247.35, 12,758.67 and 5,711.70 is: 7,880.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,247.35 : 12,758.67 = 5,711.70 : x
  2. Step 2: Convert to fraction form
    9,247.35/12,758.67 = 5,711.70/x
  3. Step 3: Cross multiply
    9,247.35x = 12,758.67 × 5,711.70
  4. Step 4: Simplify right side
    9,247.35x = 72,873,695.44
  5. Step 5: Solve for x
    x = 72,873,695.44/9,247.35
  6. Step 6: Final answer
    x = 7,880.50

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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.