Home / 10,123.03-15,184.59-3,545.65

Finding the Fourth Proportional to 10,123.03, 15,184.59 and 3,545.65

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Solution

The fourth proportional to 10,123.03, 15,184.59 and 3,545.65 is: 5,318.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,123.03 : 15,184.59 = 3,545.65 : x
  2. Step 2: Convert to fraction form
    10,123.03/15,184.59 = 3,545.65/x
  3. Step 3: Cross multiply
    10,123.03x = 15,184.59 × 3,545.65
  4. Step 4: Simplify right side
    10,123.03x = 53,839,241.53
  5. Step 5: Solve for x
    x = 53,839,241.53/10,123.03
  6. Step 6: Final answer
    x = 5,318.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.