Home / 13,097.09-18,073.02-7,790.92

Finding the Fourth Proportional to 13,097.09, 18,073.02 and 7,790.92

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Solution

The fourth proportional to 13,097.09, 18,073.02 and 7,790.92 is: 10,750.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,097.09 : 18,073.02 = 7,790.92 : x
  2. Step 2: Convert to fraction form
    13,097.09/18,073.02 = 7,790.92/x
  3. Step 3: Cross multiply
    13,097.09x = 18,073.02 × 7,790.92
  4. Step 4: Simplify right side
    13,097.09x = 140,805,437.01
  5. Step 5: Solve for x
    x = 140,805,437.01/13,097.09
  6. Step 6: Final answer
    x = 10,750.89

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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.