Home / 9,330.81-12,876.84-5,082.06

Finding the Fourth Proportional to 9,330.81, 12,876.84 and 5,082.06

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Solution

The fourth proportional to 9,330.81, 12,876.84 and 5,082.06 is: 7,013.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,330.81 : 12,876.84 = 5,082.06 : x
  2. Step 2: Convert to fraction form
    9,330.81/12,876.84 = 5,082.06/x
  3. Step 3: Cross multiply
    9,330.81x = 12,876.84 × 5,082.06
  4. Step 4: Simplify right side
    9,330.81x = 65,440,873.49
  5. Step 5: Solve for x
    x = 65,440,873.49/9,330.81
  6. Step 6: Final answer
    x = 7,013.42

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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.