Home / 7,415.46-11,124.99-2,221.29

Finding the Fourth Proportional to 7,415.46, 11,124.99 and 2,221.29

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Solution

The fourth proportional to 7,415.46, 11,124.99 and 2,221.29 is: 3,332.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,415.46 : 11,124.99 = 2,221.29 : x
  2. Step 2: Convert to fraction form
    7,415.46/11,124.99 = 2,221.29/x
  3. Step 3: Cross multiply
    7,415.46x = 11,124.99 × 2,221.29
  4. Step 4: Simplify right side
    7,415.46x = 24,711,829.04
  5. Step 5: Solve for x
    x = 24,711,829.04/7,415.46
  6. Step 6: Final answer
    x = 3,332.47

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Half scale
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Double scale
Find fourth proportional to 7,416.46, 11,126.49 and 2,222.29
Similar ratio
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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.