Home / 10,396.59-14,347.34-5,680.97

Finding the Fourth Proportional to 10,396.59, 14,347.34 and 5,680.97

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Solution

The fourth proportional to 10,396.59, 14,347.34 and 5,680.97 is: 7,839.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,396.59 : 14,347.34 = 5,680.97 : x
  2. Step 2: Convert to fraction form
    10,396.59/14,347.34 = 5,680.97/x
  3. Step 3: Cross multiply
    10,396.59x = 14,347.34 × 5,680.97
  4. Step 4: Simplify right side
    10,396.59x = 81,506,808.12
  5. Step 5: Solve for x
    x = 81,506,808.12/10,396.59
  6. Step 6: Final answer
    x = 7,839.76

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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.