Home / 10,360.11-15,529.16-7,065.03

Finding the Fourth Proportional to 10,360.11, 15,529.16 and 7,065.03

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Solution

The fourth proportional to 10,360.11, 15,529.16 and 7,065.03 is: 10,590.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,360.11 : 15,529.16 = 7,065.03 : x
  2. Step 2: Convert to fraction form
    10,360.11/15,529.16 = 7,065.03/x
  3. Step 3: Cross multiply
    10,360.11x = 15,529.16 × 7,065.03
  4. Step 4: Simplify right side
    10,360.11x = 109,713,945.95
  5. Step 5: Solve for x
    x = 109,713,945.95/10,360.11
  6. Step 6: Final answer
    x = 10,590.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.