Home / 10,722.60-14,800.86-6,476.04

Finding the Fourth Proportional to 10,722.60, 14,800.86 and 6,476.04

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Solution

The fourth proportional to 10,722.60, 14,800.86 and 6,476.04 is: 8,939.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,722.60 : 14,800.86 = 6,476.04 : x
  2. Step 2: Convert to fraction form
    10,722.60/14,800.86 = 6,476.04/x
  3. Step 3: Cross multiply
    10,722.60x = 14,800.86 × 6,476.04
  4. Step 4: Simplify right side
    10,722.60x = 95,850,961.39
  5. Step 5: Solve for x
    x = 95,850,961.39/10,722.60
  6. Step 6: Final answer
    x = 8,939.15

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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.