Home / 8,343.60-11,511.68-4,758.56

Finding the Fourth Proportional to 8,343.60, 11,511.68 and 4,758.56

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Solution

The fourth proportional to 8,343.60, 11,511.68 and 4,758.56 is: 6,565.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,343.60 : 11,511.68 = 4,758.56 : x
  2. Step 2: Convert to fraction form
    8,343.60/11,511.68 = 4,758.56/x
  3. Step 3: Cross multiply
    8,343.60x = 11,511.68 × 4,758.56
  4. Step 4: Simplify right side
    8,343.60x = 54,779,019.98
  5. Step 5: Solve for x
    x = 54,779,019.98/8,343.60
  6. Step 6: Final answer
    x = 6,565.39

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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.