Home / 7,475.06-10,315.62-4,118.22

Finding the Fourth Proportional to 7,475.06, 10,315.62 and 4,118.22

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Solution

The fourth proportional to 7,475.06, 10,315.62 and 4,118.22 is: 5,683.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,475.06 : 10,315.62 = 4,118.22 : x
  2. Step 2: Convert to fraction form
    7,475.06/10,315.62 = 4,118.22/x
  3. Step 3: Cross multiply
    7,475.06x = 10,315.62 × 4,118.22
  4. Step 4: Simplify right side
    7,475.06x = 42,481,992.60
  5. Step 5: Solve for x
    x = 42,481,992.60/7,475.06
  6. Step 6: Final answer
    x = 5,683.16

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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.