Home / 9,320.54-12,862.15-5,071.68

Finding the Fourth Proportional to 9,320.54, 12,862.15 and 5,071.68

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Solution

The fourth proportional to 9,320.54, 12,862.15 and 5,071.68 is: 6,998.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,320.54 : 12,862.15 = 5,071.68 : x
  2. Step 2: Convert to fraction form
    9,320.54/12,862.15 = 5,071.68/x
  3. Step 3: Cross multiply
    9,320.54x = 12,862.15 × 5,071.68
  4. Step 4: Simplify right side
    9,320.54x = 65,232,696.23
  5. Step 5: Solve for x
    x = 65,232,696.23/9,320.54
  6. Step 6: Final answer
    x = 6,998.81

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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.