Home / 9,721.48-13,377.30-9,463.56

Finding the Fourth Proportional to 9,721.48, 13,377.30 and 9,463.56

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Solution

The fourth proportional to 9,721.48, 13,377.30 and 9,463.56 is: 13,022.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,721.48 : 13,377.30 = 9,463.56 : x
  2. Step 2: Convert to fraction form
    9,721.48/13,377.30 = 9,463.56/x
  3. Step 3: Cross multiply
    9,721.48x = 13,377.30 × 9,463.56
  4. Step 4: Simplify right side
    9,721.48x = 126,596,881.19
  5. Step 5: Solve for x
    x = 126,596,881.19/9,721.48
  6. Step 6: Final answer
    x = 13,022.39

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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.