Home / 8,748.64-12,073.46-4,972.45

Finding the Fourth Proportional to 8,748.64, 12,073.46 and 4,972.45

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Solution

The fourth proportional to 8,748.64, 12,073.46 and 4,972.45 is: 6,862.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,748.64 : 12,073.46 = 4,972.45 : x
  2. Step 2: Convert to fraction form
    8,748.64/12,073.46 = 4,972.45/x
  3. Step 3: Cross multiply
    8,748.64x = 12,073.46 × 4,972.45
  4. Step 4: Simplify right side
    8,748.64x = 60,034,676.18
  5. Step 5: Solve for x
    x = 60,034,676.18/8,748.64
  6. Step 6: Final answer
    x = 6,862.17

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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.