Home / 7,474.68-10,314.90-4,117.32

Finding the Fourth Proportional to 7,474.68, 10,314.90 and 4,117.32

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Solution

The fourth proportional to 7,474.68, 10,314.90 and 4,117.32 is: 5,681.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,474.68 : 10,314.90 = 4,117.32 : x
  2. Step 2: Convert to fraction form
    7,474.68/10,314.90 = 4,117.32/x
  3. Step 3: Cross multiply
    7,474.68x = 10,314.90 × 4,117.32
  4. Step 4: Simplify right side
    7,474.68x = 42,469,744.07
  5. Step 5: Solve for x
    x = 42,469,744.07/7,474.68
  6. Step 6: Final answer
    x = 5,681.81

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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.