Home / 10,395.88-14,346.61-5,680.46

Finding the Fourth Proportional to 10,395.88, 14,346.61 and 5,680.46

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Solution

The fourth proportional to 10,395.88, 14,346.61 and 5,680.46 is: 7,839.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,395.88 : 14,346.61 = 5,680.46 : x
  2. Step 2: Convert to fraction form
    10,395.88/14,346.61 = 5,680.46/x
  3. Step 3: Cross multiply
    10,395.88x = 14,346.61 × 5,680.46
  4. Step 4: Simplify right side
    10,395.88x = 81,495,344.24
  5. Step 5: Solve for x
    x = 81,495,344.24/10,395.88
  6. Step 6: Final answer
    x = 7,839.20

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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.