Home / 10,399.12-15,595.88-4,847.04

Finding the Fourth Proportional to 10,399.12, 15,595.88 and 4,847.04

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Solution

The fourth proportional to 10,399.12, 15,595.88 and 4,847.04 is: 7,269.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,399.12 : 15,595.88 = 4,847.04 : x
  2. Step 2: Convert to fraction form
    10,399.12/15,595.88 = 4,847.04/x
  3. Step 3: Cross multiply
    10,399.12x = 15,595.88 × 4,847.04
  4. Step 4: Simplify right side
    10,399.12x = 75,593,829.96
  5. Step 5: Solve for x
    x = 75,593,829.96/10,399.12
  6. Step 6: Final answer
    x = 7,269.25

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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.