Home / 7,459.68-10,294.40-4,102.76

Finding the Fourth Proportional to 7,459.68, 10,294.40 and 4,102.76

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Solution

The fourth proportional to 7,459.68, 10,294.40 and 4,102.76 is: 5,661.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,459.68 : 10,294.40 = 4,102.76 : x
  2. Step 2: Convert to fraction form
    7,459.68/10,294.40 = 4,102.76/x
  3. Step 3: Cross multiply
    7,459.68x = 10,294.40 × 4,102.76
  4. Step 4: Simplify right side
    7,459.68x = 42,235,452.54
  5. Step 5: Solve for x
    x = 42,235,452.54/7,459.68
  6. Step 6: Final answer
    x = 5,661.83

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Half scale
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Double scale
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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.