Home / 8,875.19-12,242.33-5,687.41

Finding the Fourth Proportional to 8,875.19, 12,242.33 and 5,687.41

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Solution

The fourth proportional to 8,875.19, 12,242.33 and 5,687.41 is: 7,845.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,875.19 : 12,242.33 = 5,687.41 : x
  2. Step 2: Convert to fraction form
    8,875.19/12,242.33 = 5,687.41/x
  3. Step 3: Cross multiply
    8,875.19x = 12,242.33 × 5,687.41
  4. Step 4: Simplify right side
    8,875.19x = 69,627,060.42
  5. Step 5: Solve for x
    x = 69,627,060.42/8,875.19
  6. Step 6: Final answer
    x = 7,845.14

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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.