Home / 8,165.18-11,263.38-5,020.76

Finding the Fourth Proportional to 8,165.18, 11,263.38 and 5,020.76

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Solution

The fourth proportional to 8,165.18, 11,263.38 and 5,020.76 is: 6,925.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,165.18 : 11,263.38 = 5,020.76 : x
  2. Step 2: Convert to fraction form
    8,165.18/11,263.38 = 5,020.76/x
  3. Step 3: Cross multiply
    8,165.18x = 11,263.38 × 5,020.76
  4. Step 4: Simplify right side
    8,165.18x = 56,550,727.77
  5. Step 5: Solve for x
    x = 56,550,727.77/8,165.18
  6. Step 6: Final answer
    x = 6,925.84

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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.