Home / 13,298.06-18,350.73-7,330.11

Finding the Fourth Proportional to 13,298.06, 18,350.73 and 7,330.11

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Solution

The fourth proportional to 13,298.06, 18,350.73 and 7,330.11 is: 10,115.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,298.06 : 18,350.73 = 7,330.11 : x
  2. Step 2: Convert to fraction form
    13,298.06/18,350.73 = 7,330.11/x
  3. Step 3: Cross multiply
    13,298.06x = 18,350.73 × 7,330.11
  4. Step 4: Simplify right side
    13,298.06x = 134,512,869.48
  5. Step 5: Solve for x
    x = 134,512,869.48/13,298.06
  6. Step 6: Final answer
    x = 10,115.23

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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.