Home / 7,743.66-10,686.46-4,557.18

Finding the Fourth Proportional to 7,743.66, 10,686.46 and 4,557.18

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Solution

The fourth proportional to 7,743.66, 10,686.46 and 4,557.18 is: 6,289.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,743.66 : 10,686.46 = 4,557.18 : x
  2. Step 2: Convert to fraction form
    7,743.66/10,686.46 = 4,557.18/x
  3. Step 3: Cross multiply
    7,743.66x = 10,686.46 × 4,557.18
  4. Step 4: Simplify right side
    7,743.66x = 48,700,121.78
  5. Step 5: Solve for x
    x = 48,700,121.78/7,743.66
  6. Step 6: Final answer
    x = 6,289.03

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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.