Home / 8,899.38-13,349.70-2,659.32

Finding the Fourth Proportional to 8,899.38, 13,349.70 and 2,659.32

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Solution

The fourth proportional to 8,899.38, 13,349.70 and 2,659.32 is: 3,989.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,899.38 : 13,349.70 = 2,659.32 : x
  2. Step 2: Convert to fraction form
    8,899.38/13,349.70 = 2,659.32/x
  3. Step 3: Cross multiply
    8,899.38x = 13,349.70 × 2,659.32
  4. Step 4: Simplify right side
    8,899.38x = 35,501,124.20
  5. Step 5: Solve for x
    x = 35,501,124.20/8,899.38
  6. Step 6: Final answer
    x = 3,989.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.