Home / 10,315.82-14,235.87-5,600.11

Finding the Fourth Proportional to 10,315.82, 14,235.87 and 5,600.11

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Solution

The fourth proportional to 10,315.82, 14,235.87 and 5,600.11 is: 7,728.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,315.82 : 14,235.87 = 5,600.11 : x
  2. Step 2: Convert to fraction form
    10,315.82/14,235.87 = 5,600.11/x
  3. Step 3: Cross multiply
    10,315.82x = 14,235.87 × 5,600.11
  4. Step 4: Simplify right side
    10,315.82x = 79,722,437.95
  5. Step 5: Solve for x
    x = 79,722,437.95/10,315.82
  6. Step 6: Final answer
    x = 7,728.17

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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.