Home / 10,317.78-14,250.26-6,954.79

Finding the Fourth Proportional to 10,317.78, 14,250.26 and 6,954.79

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Solution

The fourth proportional to 10,317.78, 14,250.26 and 6,954.79 is: 9,605.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,317.78 : 14,250.26 = 6,954.79 : x
  2. Step 2: Convert to fraction form
    10,317.78/14,250.26 = 6,954.79/x
  3. Step 3: Cross multiply
    10,317.78x = 14,250.26 × 6,954.79
  4. Step 4: Simplify right side
    10,317.78x = 99,107,565.75
  5. Step 5: Solve for x
    x = 99,107,565.75/10,317.78
  6. Step 6: Final answer
    x = 9,605.51

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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.