Home / 13,260.31-18,299.36-7,292.02

Finding the Fourth Proportional to 13,260.31, 18,299.36 and 7,292.02

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Solution

The fourth proportional to 13,260.31, 18,299.36 and 7,292.02 is: 10,063.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,260.31 : 18,299.36 = 7,292.02 : x
  2. Step 2: Convert to fraction form
    13,260.31/18,299.36 = 7,292.02/x
  3. Step 3: Cross multiply
    13,260.31x = 18,299.36 × 7,292.02
  4. Step 4: Simplify right side
    13,260.31x = 133,439,216.90
  5. Step 5: Solve for x
    x = 133,439,216.90/13,260.31
  6. Step 6: Final answer
    x = 10,063.06

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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.