Home / 8,000.98-11,038.28-5,011.61

Finding the Fourth Proportional to 8,000.98, 11,038.28 and 5,011.61

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Solution

The fourth proportional to 8,000.98, 11,038.28 and 5,011.61 is: 6,914.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,000.98 : 11,038.28 = 5,011.61 : x
  2. Step 2: Convert to fraction form
    8,000.98/11,038.28 = 5,011.61/x
  3. Step 3: Cross multiply
    8,000.98x = 11,038.28 × 5,011.61
  4. Step 4: Simplify right side
    8,000.98x = 55,319,563.23
  5. Step 5: Solve for x
    x = 55,319,563.23/8,000.98
  6. Step 6: Final answer
    x = 6,914.10

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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.