Home / 10,449.12-14,417.72-6,199.38

Finding the Fourth Proportional to 10,449.12, 14,417.72 and 6,199.38

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Solution

The fourth proportional to 10,449.12, 14,417.72 and 6,199.38 is: 8,553.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,449.12 : 14,417.72 = 6,199.38 : x
  2. Step 2: Convert to fraction form
    10,449.12/14,417.72 = 6,199.38/x
  3. Step 3: Cross multiply
    10,449.12x = 14,417.72 × 6,199.38
  4. Step 4: Simplify right side
    10,449.12x = 89,380,925.01
  5. Step 5: Solve for x
    x = 89,380,925.01/10,449.12
  6. Step 6: Final answer
    x = 8,553.92

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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.