Home / 7,510.05-11,265.75-1,963.31

Finding the Fourth Proportional to 7,510.05, 11,265.75 and 1,963.31

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Solution

The fourth proportional to 7,510.05, 11,265.75 and 1,963.31 is: 2,945.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,510.05 : 11,265.75 = 1,963.31 : x
  2. Step 2: Convert to fraction form
    7,510.05/11,265.75 = 1,963.31/x
  3. Step 3: Cross multiply
    7,510.05x = 11,265.75 × 1,963.31
  4. Step 4: Simplify right side
    7,510.05x = 22,118,103.30
  5. Step 5: Solve for x
    x = 22,118,103.30/7,510.05
  6. Step 6: Final answer
    x = 2,945.13

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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.