Home / 8,292.10-11,443.08-4,515.21

Finding the Fourth Proportional to 8,292.10, 11,443.08 and 4,515.21

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Solution

The fourth proportional to 8,292.10, 11,443.08 and 4,515.21 is: 6,230.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,292.10 : 11,443.08 = 4,515.21 : x
  2. Step 2: Convert to fraction form
    8,292.10/11,443.08 = 4,515.21/x
  3. Step 3: Cross multiply
    8,292.10x = 11,443.08 × 4,515.21
  4. Step 4: Simplify right side
    8,292.10x = 51,667,909.25
  5. Step 5: Solve for x
    x = 51,667,909.25/8,292.10
  6. Step 6: Final answer
    x = 6,230.98

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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.