Home / 12,963.17-19,407.33-7,610.15

Finding the Fourth Proportional to 12,963.17, 19,407.33 and 7,610.15

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Solution

The fourth proportional to 12,963.17, 19,407.33 and 7,610.15 is: 11,393.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,963.17 : 19,407.33 = 7,610.15 : x
  2. Step 2: Convert to fraction form
    12,963.17/19,407.33 = 7,610.15/x
  3. Step 3: Cross multiply
    12,963.17x = 19,407.33 × 7,610.15
  4. Step 4: Simplify right side
    12,963.17x = 147,692,595.36
  5. Step 5: Solve for x
    x = 147,692,595.36/12,963.17
  6. Step 6: Final answer
    x = 11,393.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.