Home / 9,082.84-12,534.36-5,105.32

Finding the Fourth Proportional to 9,082.84, 12,534.36 and 5,105.32

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Solution

The fourth proportional to 9,082.84, 12,534.36 and 5,105.32 is: 7,045.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,082.84 : 12,534.36 = 5,105.32 : x
  2. Step 2: Convert to fraction form
    9,082.84/12,534.36 = 5,105.32/x
  3. Step 3: Cross multiply
    9,082.84x = 12,534.36 × 5,105.32
  4. Step 4: Simplify right side
    9,082.84x = 63,991,918.80
  5. Step 5: Solve for x
    x = 63,991,918.80/9,082.84
  6. Step 6: Final answer
    x = 7,045.36

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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.