Home / 8,565.48-11,816.28-4,980.42

Finding the Fourth Proportional to 8,565.48, 11,816.28 and 4,980.42

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Solution

The fourth proportional to 8,565.48, 11,816.28 and 4,980.42 is: 6,870.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,565.48 : 11,816.28 = 4,980.42 : x
  2. Step 2: Convert to fraction form
    8,565.48/11,816.28 = 4,980.42/x
  3. Step 3: Cross multiply
    8,565.48x = 11,816.28 × 4,980.42
  4. Step 4: Simplify right side
    8,565.48x = 58,850,037.24
  5. Step 5: Solve for x
    x = 58,850,037.24/8,565.48
  6. Step 6: Final answer
    x = 6,870.61

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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.