Home / 13,082.06-18,053.13-7,113.83

Finding the Fourth Proportional to 13,082.06, 18,053.13 and 7,113.83

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Solution

The fourth proportional to 13,082.06, 18,053.13 and 7,113.83 is: 9,817.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,082.06 : 18,053.13 = 7,113.83 : x
  2. Step 2: Convert to fraction form
    13,082.06/18,053.13 = 7,113.83/x
  3. Step 3: Cross multiply
    13,082.06x = 18,053.13 × 7,113.83
  4. Step 4: Simplify right side
    13,082.06x = 128,426,794.18
  5. Step 5: Solve for x
    x = 128,426,794.18/13,082.06
  6. Step 6: Final answer
    x = 9,817.02

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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.