Home / 7,712.74-10,642.99-4,355.85

Finding the Fourth Proportional to 7,712.74, 10,642.99 and 4,355.85

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Solution

The fourth proportional to 7,712.74, 10,642.99 and 4,355.85 is: 6,010.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,712.74 : 10,642.99 = 4,355.85 : x
  2. Step 2: Convert to fraction form
    7,712.74/10,642.99 = 4,355.85/x
  3. Step 3: Cross multiply
    7,712.74x = 10,642.99 × 4,355.85
  4. Step 4: Simplify right side
    7,712.74x = 46,359,267.99
  5. Step 5: Solve for x
    x = 46,359,267.99/7,712.74
  6. Step 6: Final answer
    x = 6,010.74

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.