Home / 12,298.03-18,453.07-5,275.97

Finding the Fourth Proportional to 12,298.03, 18,453.07 and 5,275.97

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Solution

The fourth proportional to 12,298.03, 18,453.07 and 5,275.97 is: 7,916.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,298.03 : 18,453.07 = 5,275.97 : x
  2. Step 2: Convert to fraction form
    12,298.03/18,453.07 = 5,275.97/x
  3. Step 3: Cross multiply
    12,298.03x = 18,453.07 × 5,275.97
  4. Step 4: Simplify right side
    12,298.03x = 97,357,775.35
  5. Step 5: Solve for x
    x = 97,357,775.35/12,298.03
  6. Step 6: Final answer
    x = 7,916.53

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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.