Home / 10,549.50-15,813.90-5,871.75

Finding the Fourth Proportional to 10,549.50, 15,813.90 and 5,871.75

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Solution

The fourth proportional to 10,549.50, 15,813.90 and 5,871.75 is: 8,801.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,549.50 : 15,813.90 = 5,871.75 : x
  2. Step 2: Convert to fraction form
    10,549.50/15,813.90 = 5,871.75/x
  3. Step 3: Cross multiply
    10,549.50x = 15,813.90 × 5,871.75
  4. Step 4: Simplify right side
    10,549.50x = 92,855,267.33
  5. Step 5: Solve for x
    x = 92,855,267.33/10,549.50
  6. Step 6: Final answer
    x = 8,801.86

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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.