Home / 10,342.70-15,518.10-4,101.65

Finding the Fourth Proportional to 10,342.70, 15,518.10 and 4,101.65

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Solution

The fourth proportional to 10,342.70, 15,518.10 and 4,101.65 is: 6,154.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,342.70 : 15,518.10 = 4,101.65 : x
  2. Step 2: Convert to fraction form
    10,342.70/15,518.10 = 4,101.65/x
  3. Step 3: Cross multiply
    10,342.70x = 15,518.10 × 4,101.65
  4. Step 4: Simplify right side
    10,342.70x = 63,649,814.87
  5. Step 5: Solve for x
    x = 63,649,814.87/10,342.70
  6. Step 6: Final answer
    x = 6,154.08

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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.