Home / 8,126.84-11,215.12-4,590.08

Finding the Fourth Proportional to 8,126.84, 11,215.12 and 4,590.08

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Solution

The fourth proportional to 8,126.84, 11,215.12 and 4,590.08 is: 6,334.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,126.84 : 11,215.12 = 4,590.08 : x
  2. Step 2: Convert to fraction form
    8,126.84/11,215.12 = 4,590.08/x
  3. Step 3: Cross multiply
    8,126.84x = 11,215.12 × 4,590.08
  4. Step 4: Simplify right side
    8,126.84x = 51,478,298.01
  5. Step 5: Solve for x
    x = 51,478,298.01/8,126.84
  6. Step 6: Final answer
    x = 6,334.36

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Half scale
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Double scale
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Similar ratio
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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.