Home / 10,147.84-15,199.08-5,868.32

Finding the Fourth Proportional to 10,147.84, 15,199.08 and 5,868.32

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Solution

The fourth proportional to 10,147.84, 15,199.08 and 5,868.32 is: 8,789.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,147.84 : 15,199.08 = 5,868.32 : x
  2. Step 2: Convert to fraction form
    10,147.84/15,199.08 = 5,868.32/x
  3. Step 3: Cross multiply
    10,147.84x = 15,199.08 × 5,868.32
  4. Step 4: Simplify right side
    10,147.84x = 89,193,065.15
  5. Step 5: Solve for x
    x = 89,193,065.15/10,147.84
  6. Step 6: Final answer
    x = 8,789.36

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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.