Home / 9,275.40-12,799.98-5,083.64

Finding the Fourth Proportional to 9,275.40, 12,799.98 and 5,083.64

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Solution

The fourth proportional to 9,275.40, 12,799.98 and 5,083.64 is: 7,015.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,275.40 : 12,799.98 = 5,083.64 : x
  2. Step 2: Convert to fraction form
    9,275.40/12,799.98 = 5,083.64/x
  3. Step 3: Cross multiply
    9,275.40x = 12,799.98 × 5,083.64
  4. Step 4: Simplify right side
    9,275.40x = 65,070,490.33
  5. Step 5: Solve for x
    x = 65,070,490.33/9,275.40
  6. Step 6: Final answer
    x = 7,015.38

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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.