Home / 10,418.32-14,377.44-5,703.04

Finding the Fourth Proportional to 10,418.32, 14,377.44 and 5,703.04

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Solution

The fourth proportional to 10,418.32, 14,377.44 and 5,703.04 is: 7,870.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,418.32 : 14,377.44 = 5,703.04 : x
  2. Step 2: Convert to fraction form
    10,418.32/14,377.44 = 5,703.04/x
  3. Step 3: Cross multiply
    10,418.32x = 14,377.44 × 5,703.04
  4. Step 4: Simplify right side
    10,418.32x = 81,995,115.42
  5. Step 5: Solve for x
    x = 81,995,115.42/10,418.32
  6. Step 6: Final answer
    x = 7,870.28

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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.