Home / 10,396.35-14,347.31-5,680.93

Finding the Fourth Proportional to 10,396.35, 14,347.31 and 5,680.93

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Solution

The fourth proportional to 10,396.35, 14,347.31 and 5,680.93 is: 7,839.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,396.35 : 14,347.31 = 5,680.93 : x
  2. Step 2: Convert to fraction form
    10,396.35/14,347.31 = 5,680.93/x
  3. Step 3: Cross multiply
    10,396.35x = 14,347.31 × 5,680.93
  4. Step 4: Simplify right side
    10,396.35x = 81,506,063.80
  5. Step 5: Solve for x
    x = 81,506,063.80/10,396.35
  6. Step 6: Final answer
    x = 7,839.88

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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.