Home / 11,341.14-15,649.65-6,624.78

Finding the Fourth Proportional to 11,341.14, 15,649.65 and 6,624.78

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Solution

The fourth proportional to 11,341.14, 15,649.65 and 6,624.78 is: 9,141.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,341.14 : 15,649.65 = 6,624.78 : x
  2. Step 2: Convert to fraction form
    11,341.14/15,649.65 = 6,624.78/x
  3. Step 3: Cross multiply
    11,341.14x = 15,649.65 × 6,624.78
  4. Step 4: Simplify right side
    11,341.14x = 103,675,488.33
  5. Step 5: Solve for x
    x = 103,675,488.33/11,341.14
  6. Step 6: Final answer
    x = 9,141.54

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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.