Home / 9,080.88-12,527.32-7,768.68

Finding the Fourth Proportional to 9,080.88, 12,527.32 and 7,768.68

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Solution

The fourth proportional to 9,080.88, 12,527.32 and 7,768.68 is: 10,717.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,080.88 : 12,527.32 = 7,768.68 : x
  2. Step 2: Convert to fraction form
    9,080.88/12,527.32 = 7,768.68/x
  3. Step 3: Cross multiply
    9,080.88x = 12,527.32 × 7,768.68
  4. Step 4: Simplify right side
    9,080.88x = 97,320,740.34
  5. Step 5: Solve for x
    x = 97,320,740.34/9,080.88
  6. Step 6: Final answer
    x = 10,717.10

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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.