Home / 7,255.96-10,013.40-4,423.48

Finding the Fourth Proportional to 7,255.96, 10,013.40 and 4,423.48

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Solution

The fourth proportional to 7,255.96, 10,013.40 and 4,423.48 is: 6,104.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,255.96 : 10,013.40 = 4,423.48 : x
  2. Step 2: Convert to fraction form
    7,255.96/10,013.40 = 4,423.48/x
  3. Step 3: Cross multiply
    7,255.96x = 10,013.40 × 4,423.48
  4. Step 4: Simplify right side
    7,255.96x = 44,294,074.63
  5. Step 5: Solve for x
    x = 44,294,074.63/7,255.96
  6. Step 6: Final answer
    x = 6,104.51

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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.