Home / 7,535.33-10,397.78-4,178.11

Finding the Fourth Proportional to 7,535.33, 10,397.78 and 4,178.11

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Solution

The fourth proportional to 7,535.33, 10,397.78 and 4,178.11 is: 5,765.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,535.33 : 10,397.78 = 4,178.11 : x
  2. Step 2: Convert to fraction form
    7,535.33/10,397.78 = 4,178.11/x
  3. Step 3: Cross multiply
    7,535.33x = 10,397.78 × 4,178.11
  4. Step 4: Simplify right side
    7,535.33x = 43,443,021.71
  5. Step 5: Solve for x
    x = 43,443,021.71/7,535.33
  6. Step 6: Final answer
    x = 5,765.25

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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.