Home / 10,063.36-15,148.33-7,161.76

Finding the Fourth Proportional to 10,063.36, 15,148.33 and 7,161.76

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Solution

The fourth proportional to 10,063.36, 15,148.33 and 7,161.76 is: 10,780.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,063.36 : 15,148.33 = 7,161.76 : x
  2. Step 2: Convert to fraction form
    10,063.36/15,148.33 = 7,161.76/x
  3. Step 3: Cross multiply
    10,063.36x = 15,148.33 × 7,161.76
  4. Step 4: Simplify right side
    10,063.36x = 108,488,703.86
  5. Step 5: Solve for x
    x = 108,488,703.86/10,063.36
  6. Step 6: Final answer
    x = 10,780.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.