Home / 10,506.11-14,498.40-5,790.39

Finding the Fourth Proportional to 10,506.11, 14,498.40 and 5,790.39

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Solution

The fourth proportional to 10,506.11, 14,498.40 and 5,790.39 is: 7,990.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,506.11 : 14,498.40 = 5,790.39 : x
  2. Step 2: Convert to fraction form
    10,506.11/14,498.40 = 5,790.39/x
  3. Step 3: Cross multiply
    10,506.11x = 14,498.40 × 5,790.39
  4. Step 4: Simplify right side
    10,506.11x = 83,951,404.85
  5. Step 5: Solve for x
    x = 83,951,404.85/10,506.11
  6. Step 6: Final answer
    x = 7,990.72

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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.