Home / 7,255.04-10,011.98-4,111.22

Finding the Fourth Proportional to 7,255.04, 10,011.98 and 4,111.22

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Solution

The fourth proportional to 7,255.04, 10,011.98 and 4,111.22 is: 5,673.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,255.04 : 10,011.98 = 4,111.22 : x
  2. Step 2: Convert to fraction form
    7,255.04/10,011.98 = 4,111.22/x
  3. Step 3: Cross multiply
    7,255.04x = 10,011.98 × 4,111.22
  4. Step 4: Simplify right side
    7,255.04x = 41,161,452.42
  5. Step 5: Solve for x
    x = 41,161,452.42/7,255.04
  6. Step 6: Final answer
    x = 5,673.50

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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.