Home / 7,146.53-9,860.60-4,314.36

Finding the Fourth Proportional to 7,146.53, 9,860.60 and 4,314.36

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Solution

The fourth proportional to 7,146.53, 9,860.60 and 4,314.36 is: 5,952.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,146.53 : 9,860.60 = 4,314.36 : x
  2. Step 2: Convert to fraction form
    7,146.53/9,860.60 = 4,314.36/x
  3. Step 3: Cross multiply
    7,146.53x = 9,860.60 × 4,314.36
  4. Step 4: Simplify right side
    7,146.53x = 42,542,156.64
  5. Step 5: Solve for x
    x = 42,542,156.64/7,146.53
  6. Step 6: Final answer
    x = 5,952.85

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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.