Home / 7,474.06-10,314.24-4,117.21

Finding the Fourth Proportional to 7,474.06, 10,314.24 and 4,117.21

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Solution

The fourth proportional to 7,474.06, 10,314.24 and 4,117.21 is: 5,681.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,474.06 : 10,314.24 = 4,117.21 : x
  2. Step 2: Convert to fraction form
    7,474.06/10,314.24 = 4,117.21/x
  3. Step 3: Cross multiply
    7,474.06x = 10,314.24 × 4,117.21
  4. Step 4: Simplify right side
    7,474.06x = 42,465,892.07
  5. Step 5: Solve for x
    x = 42,465,892.07/7,474.06
  6. Step 6: Final answer
    x = 5,681.77

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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.