Home / 11,373.74-15,703.50-7,126.56

Finding the Fourth Proportional to 11,373.74, 15,703.50 and 7,126.56

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Solution

The fourth proportional to 11,373.74, 15,703.50 and 7,126.56 is: 9,839.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,373.74 : 15,703.50 = 7,126.56 : x
  2. Step 2: Convert to fraction form
    11,373.74/15,703.50 = 7,126.56/x
  3. Step 3: Cross multiply
    11,373.74x = 15,703.50 × 7,126.56
  4. Step 4: Simplify right side
    11,373.74x = 111,911,934.96
  5. Step 5: Solve for x
    x = 111,911,934.96/11,373.74
  6. Step 6: Final answer
    x = 9,839.50

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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.