Home / 10,105.14-15,141.33-6,590.94

Finding the Fourth Proportional to 10,105.14, 15,141.33 and 6,590.94

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Solution

The fourth proportional to 10,105.14, 15,141.33 and 6,590.94 is: 9,875.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,105.14 : 15,141.33 = 6,590.94 : x
  2. Step 2: Convert to fraction form
    10,105.14/15,141.33 = 6,590.94/x
  3. Step 3: Cross multiply
    10,105.14x = 15,141.33 × 6,590.94
  4. Step 4: Simplify right side
    10,105.14x = 99,795,597.55
  5. Step 5: Solve for x
    x = 99,795,597.55/10,105.14
  6. Step 6: Final answer
    x = 9,875.73

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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.