Home / 11,082.83-15,285.63-7,104.32

Finding the Fourth Proportional to 11,082.83, 15,285.63 and 7,104.32

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Solution

The fourth proportional to 11,082.83, 15,285.63 and 7,104.32 is: 9,798.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,082.83 : 15,285.63 = 7,104.32 : x
  2. Step 2: Convert to fraction form
    11,082.83/15,285.63 = 7,104.32/x
  3. Step 3: Cross multiply
    11,082.83x = 15,285.63 × 7,104.32
  4. Step 4: Simplify right side
    11,082.83x = 108,593,930.49
  5. Step 5: Solve for x
    x = 108,593,930.49/11,082.83
  6. Step 6: Final answer
    x = 9,798.40

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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.