Home / 8,752.84-12,079.39-5,614.36

Finding the Fourth Proportional to 8,752.84, 12,079.39 and 5,614.36

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Solution

The fourth proportional to 8,752.84, 12,079.39 and 5,614.36 is: 7,748.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,752.84 : 12,079.39 = 5,614.36 : x
  2. Step 2: Convert to fraction form
    8,752.84/12,079.39 = 5,614.36/x
  3. Step 3: Cross multiply
    8,752.84x = 12,079.39 × 5,614.36
  4. Step 4: Simplify right side
    8,752.84x = 67,817,983.64
  5. Step 5: Solve for x
    x = 67,817,983.64/8,752.84
  6. Step 6: Final answer
    x = 7,748.12

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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.