Home / 7,434.10-11,151.15-4,951.45

Finding the Fourth Proportional to 7,434.10, 11,151.15 and 4,951.45

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Solution

The fourth proportional to 7,434.10, 11,151.15 and 4,951.45 is: 7,427.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,434.10 : 11,151.15 = 4,951.45 : x
  2. Step 2: Convert to fraction form
    7,434.10/11,151.15 = 4,951.45/x
  3. Step 3: Cross multiply
    7,434.10x = 11,151.15 × 4,951.45
  4. Step 4: Simplify right side
    7,434.10x = 55,214,361.67
  5. Step 5: Solve for x
    x = 55,214,361.67/7,434.10
  6. Step 6: Final answer
    x = 7,427.18

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Half scale
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Double scale
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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.