Home / 10,545.44-14,519.40-9,285.62

Finding the Fourth Proportional to 10,545.44, 14,519.40 and 9,285.62

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Solution

The fourth proportional to 10,545.44, 14,519.40 and 9,285.62 is: 12,784.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,545.44 : 14,519.40 = 9,285.62 : x
  2. Step 2: Convert to fraction form
    10,545.44/14,519.40 = 9,285.62/x
  3. Step 3: Cross multiply
    10,545.44x = 14,519.40 × 9,285.62
  4. Step 4: Simplify right side
    10,545.44x = 134,821,631.03
  5. Step 5: Solve for x
    x = 134,821,631.03/10,545.44
  6. Step 6: Final answer
    x = 12,784.83

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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.