Home / 10,343.84-15,515.76-2,948.18

Finding the Fourth Proportional to 10,343.84, 15,515.76 and 2,948.18

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Solution

The fourth proportional to 10,343.84, 15,515.76 and 2,948.18 is: 4,422.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,343.84 : 15,515.76 = 2,948.18 : x
  2. Step 2: Convert to fraction form
    10,343.84/15,515.76 = 2,948.18/x
  3. Step 3: Cross multiply
    10,343.84x = 15,515.76 × 2,948.18
  4. Step 4: Simplify right side
    10,343.84x = 45,743,253.32
  5. Step 5: Solve for x
    x = 45,743,253.32/10,343.84
  6. Step 6: Final answer
    x = 4,422.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.