Home / 7,154.24-9,872.70-4,010.36

Finding the Fourth Proportional to 7,154.24, 9,872.70 and 4,010.36

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Solution

The fourth proportional to 7,154.24, 9,872.70 and 4,010.36 is: 5,534.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,154.24 : 9,872.70 = 4,010.36 : x
  2. Step 2: Convert to fraction form
    7,154.24/9,872.70 = 4,010.36/x
  3. Step 3: Cross multiply
    7,154.24x = 9,872.70 × 4,010.36
  4. Step 4: Simplify right side
    7,154.24x = 39,593,081.17
  5. Step 5: Solve for x
    x = 39,593,081.17/7,154.24
  6. Step 6: Final answer
    x = 5,534.21

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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.