Home / 9,699.89-14,549.84-3,126.06

Finding the Fourth Proportional to 9,699.89, 14,549.84 and 3,126.06

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Solution

The fourth proportional to 9,699.89, 14,549.84 and 3,126.06 is: 4,689.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,699.89 : 14,549.84 = 3,126.06 : x
  2. Step 2: Convert to fraction form
    9,699.89/14,549.84 = 3,126.06/x
  3. Step 3: Cross multiply
    9,699.89x = 14,549.84 × 3,126.06
  4. Step 4: Simplify right side
    9,699.89x = 45,483,657.20
  5. Step 5: Solve for x
    x = 45,483,657.20/9,699.89
  6. Step 6: Final answer
    x = 4,689.09

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.