Home / 8,875.90-13,317.36-5,588.38

Finding the Fourth Proportional to 8,875.90, 13,317.36 and 5,588.38

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Solution

The fourth proportional to 8,875.90, 13,317.36 and 5,588.38 is: 8,384.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,875.90 : 13,317.36 = 5,588.38 : x
  2. Step 2: Convert to fraction form
    8,875.90/13,317.36 = 5,588.38/x
  3. Step 3: Cross multiply
    8,875.90x = 13,317.36 × 5,588.38
  4. Step 4: Simplify right side
    8,875.90x = 74,422,468.28
  5. Step 5: Solve for x
    x = 74,422,468.28/8,875.90
  6. Step 6: Final answer
    x = 8,384.78

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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.