Home / 8,655.59-11,943.86-5,299.36

Finding the Fourth Proportional to 8,655.59, 11,943.86 and 5,299.36

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Solution

The fourth proportional to 8,655.59, 11,943.86 and 5,299.36 is: 7,312.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,655.59 : 11,943.86 = 5,299.36 : x
  2. Step 2: Convert to fraction form
    8,655.59/11,943.86 = 5,299.36/x
  3. Step 3: Cross multiply
    8,655.59x = 11,943.86 × 5,299.36
  4. Step 4: Simplify right side
    8,655.59x = 63,294,757.57
  5. Step 5: Solve for x
    x = 63,294,757.57/8,655.59
  6. Step 6: Final answer
    x = 7,312.59

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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.