Home / 6,612.36-9,124.74-3,818.76

Finding the Fourth Proportional to 6,612.36, 9,124.74 and 3,818.76

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Solution

The fourth proportional to 6,612.36, 9,124.74 and 3,818.76 is: 5,269.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,612.36 : 9,124.74 = 3,818.76 : x
  2. Step 2: Convert to fraction form
    6,612.36/9,124.74 = 3,818.76/x
  3. Step 3: Cross multiply
    6,612.36x = 9,124.74 × 3,818.76
  4. Step 4: Simplify right side
    6,612.36x = 34,845,192.12
  5. Step 5: Solve for x
    x = 34,845,192.12/6,612.36
  6. Step 6: Final answer
    x = 5,269.71

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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.