Home / 10,653.12-15,972.76-4,411.44

Finding the Fourth Proportional to 10,653.12, 15,972.76 and 4,411.44

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Solution

The fourth proportional to 10,653.12, 15,972.76 and 4,411.44 is: 6,614.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,653.12 : 15,972.76 = 4,411.44 : x
  2. Step 2: Convert to fraction form
    10,653.12/15,972.76 = 4,411.44/x
  3. Step 3: Cross multiply
    10,653.12x = 15,972.76 × 4,411.44
  4. Step 4: Simplify right side
    10,653.12x = 70,462,872.37
  5. Step 5: Solve for x
    x = 70,462,872.37/10,653.12
  6. Step 6: Final answer
    x = 6,614.29

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1.5x scale

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.