Home / 6,116.77-8,428.62-5,785.93

Finding the Fourth Proportional to 6,116.77, 8,428.62 and 5,785.93

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Solution

The fourth proportional to 6,116.77, 8,428.62 and 5,785.93 is: 7,972.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,116.77 : 8,428.62 = 5,785.93 : x
  2. Step 2: Convert to fraction form
    6,116.77/8,428.62 = 5,785.93/x
  3. Step 3: Cross multiply
    6,116.77x = 8,428.62 × 5,785.93
  4. Step 4: Simplify right side
    6,116.77x = 48,767,437.55
  5. Step 5: Solve for x
    x = 48,767,437.55/6,116.77
  6. Step 6: Final answer
    x = 7,972.75

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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.