Home / 7,012.74-10,534.38-4,240.72

Finding the Fourth Proportional to 7,012.74, 10,534.38 and 4,240.72

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Solution

The fourth proportional to 7,012.74, 10,534.38 and 4,240.72 is: 6,370.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,012.74 : 10,534.38 = 4,240.72 : x
  2. Step 2: Convert to fraction form
    7,012.74/10,534.38 = 4,240.72/x
  3. Step 3: Cross multiply
    7,012.74x = 10,534.38 × 4,240.72
  4. Step 4: Simplify right side
    7,012.74x = 44,673,355.95
  5. Step 5: Solve for x
    x = 44,673,355.95/7,012.74
  6. Step 6: Final answer
    x = 6,370.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.