Home / 6,712.47-9,262.81-3,728.23

Finding the Fourth Proportional to 6,712.47, 9,262.81 and 3,728.23

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Solution

The fourth proportional to 6,712.47, 9,262.81 and 3,728.23 is: 5,144.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,712.47 : 9,262.81 = 3,728.23 : x
  2. Step 2: Convert to fraction form
    6,712.47/9,262.81 = 3,728.23/x
  3. Step 3: Cross multiply
    6,712.47x = 9,262.81 × 3,728.23
  4. Step 4: Simplify right side
    6,712.47x = 34,533,886.13
  5. Step 5: Solve for x
    x = 34,533,886.13/6,712.47
  6. Step 6: Final answer
    x = 5,144.74

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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.