Home / 10,677.43-14,720.52-7,486.42

Finding the Fourth Proportional to 10,677.43, 14,720.52 and 7,486.42

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Solution

The fourth proportional to 10,677.43, 14,720.52 and 7,486.42 is: 10,321.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,677.43 : 14,720.52 = 7,486.42 : x
  2. Step 2: Convert to fraction form
    10,677.43/14,720.52 = 7,486.42/x
  3. Step 3: Cross multiply
    10,677.43x = 14,720.52 × 7,486.42
  4. Step 4: Simplify right side
    10,677.43x = 110,203,995.34
  5. Step 5: Solve for x
    x = 110,203,995.34/10,677.43
  6. Step 6: Final answer
    x = 10,321.21

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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.