Home / 13,082.01-18,053.25-7,113.66

Finding the Fourth Proportional to 13,082.01, 18,053.25 and 7,113.66

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Solution

The fourth proportional to 13,082.01, 18,053.25 and 7,113.66 is: 9,816.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,082.01 : 18,053.25 = 7,113.66 : x
  2. Step 2: Convert to fraction form
    13,082.01/18,053.25 = 7,113.66/x
  3. Step 3: Cross multiply
    13,082.01x = 18,053.25 × 7,113.66
  4. Step 4: Simplify right side
    13,082.01x = 128,424,682.40
  5. Step 5: Solve for x
    x = 128,424,682.40/13,082.01
  6. Step 6: Final answer
    x = 9,816.89

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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.