Home / 10,868.96-16,281.52-5,017.44

Finding the Fourth Proportional to 10,868.96, 16,281.52 and 5,017.44

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Solution

The fourth proportional to 10,868.96, 16,281.52 and 5,017.44 is: 7,516.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,868.96 : 16,281.52 = 5,017.44 : x
  2. Step 2: Convert to fraction form
    10,868.96/16,281.52 = 5,017.44/x
  3. Step 3: Cross multiply
    10,868.96x = 16,281.52 × 5,017.44
  4. Step 4: Simplify right side
    10,868.96x = 81,691,549.71
  5. Step 5: Solve for x
    x = 81,691,549.71/10,868.96
  6. Step 6: Final answer
    x = 7,516.04

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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.