Home / 9,129.47-12,600.62-5,770.14

Finding the Fourth Proportional to 9,129.47, 12,600.62 and 5,770.14

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Solution

The fourth proportional to 9,129.47, 12,600.62 and 5,770.14 is: 7,964.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,129.47 : 12,600.62 = 5,770.14 : x
  2. Step 2: Convert to fraction form
    9,129.47/12,600.62 = 5,770.14/x
  3. Step 3: Cross multiply
    9,129.47x = 12,600.62 × 5,770.14
  4. Step 4: Simplify right side
    9,129.47x = 72,707,341.49
  5. Step 5: Solve for x
    x = 72,707,341.49/9,129.47
  6. Step 6: Final answer
    x = 7,964.03

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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.