Home / 7,397.60-10,199.16-5,275.55

Finding the Fourth Proportional to 7,397.60, 10,199.16 and 5,275.55

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Solution

The fourth proportional to 7,397.60, 10,199.16 and 5,275.55 is: 7,273.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,397.60 : 10,199.16 = 5,275.55 : x
  2. Step 2: Convert to fraction form
    7,397.60/10,199.16 = 5,275.55/x
  3. Step 3: Cross multiply
    7,397.60x = 10,199.16 × 5,275.55
  4. Step 4: Simplify right side
    7,397.60x = 53,806,178.54
  5. Step 5: Solve for x
    x = 53,806,178.54/7,397.60
  6. Step 6: Final answer
    x = 7,273.46

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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.