Home / 10,545.12-14,558.40-6,354.72

Finding the Fourth Proportional to 10,545.12, 14,558.40 and 6,354.72

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Solution

The fourth proportional to 10,545.12, 14,558.40 and 6,354.72 is: 8,773.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,545.12 : 14,558.40 = 6,354.72 : x
  2. Step 2: Convert to fraction form
    10,545.12/14,558.40 = 6,354.72/x
  3. Step 3: Cross multiply
    10,545.12x = 14,558.40 × 6,354.72
  4. Step 4: Simplify right side
    10,545.12x = 92,514,555.65
  5. Step 5: Solve for x
    x = 92,514,555.65/10,545.12
  6. Step 6: Final answer
    x = 8,773.21

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.