Home / 7,390.56-10,195.92-5,153.76

Finding the Fourth Proportional to 7,390.56, 10,195.92 and 5,153.76

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Solution

The fourth proportional to 7,390.56, 10,195.92 and 5,153.76 is: 7,110.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,390.56 : 10,195.92 = 5,153.76 : x
  2. Step 2: Convert to fraction form
    7,390.56/10,195.92 = 5,153.76/x
  3. Step 3: Cross multiply
    7,390.56x = 10,195.92 × 5,153.76
  4. Step 4: Simplify right side
    7,390.56x = 52,547,324.66
  5. Step 5: Solve for x
    x = 52,547,324.66/7,390.56
  6. Step 6: Final answer
    x = 7,110.06

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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.