Home / 7,474.59-10,315.62-4,118.13

Finding the Fourth Proportional to 7,474.59, 10,315.62 and 4,118.13

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Solution

The fourth proportional to 7,474.59, 10,315.62 and 4,118.13 is: 5,683.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,474.59 : 10,315.62 = 4,118.13 : x
  2. Step 2: Convert to fraction form
    7,474.59/10,315.62 = 4,118.13/x
  3. Step 3: Cross multiply
    7,474.59x = 10,315.62 × 4,118.13
  4. Step 4: Simplify right side
    7,474.59x = 42,481,064.19
  5. Step 5: Solve for x
    x = 42,481,064.19/7,474.59
  6. Step 6: Final answer
    x = 5,683.40

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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.