Home / 10,852.92-14,983.56-7,082.64

Finding the Fourth Proportional to 10,852.92, 14,983.56 and 7,082.64

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Solution

The fourth proportional to 10,852.92, 14,983.56 and 7,082.64 is: 9,778.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,852.92 : 14,983.56 = 7,082.64 : x
  2. Step 2: Convert to fraction form
    10,852.92/14,983.56 = 7,082.64/x
  3. Step 3: Cross multiply
    10,852.92x = 14,983.56 × 7,082.64
  4. Step 4: Simplify right side
    10,852.92x = 106,123,161.40
  5. Step 5: Solve for x
    x = 106,123,161.40/10,852.92
  6. Step 6: Final answer
    x = 9,778.30

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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.