Home / 7,305.41-10,074.85-6,247.15

Finding the Fourth Proportional to 7,305.41, 10,074.85 and 6,247.15

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Solution

The fourth proportional to 7,305.41, 10,074.85 and 6,247.15 is: 8,615.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,305.41 : 10,074.85 = 6,247.15 : x
  2. Step 2: Convert to fraction form
    7,305.41/10,074.85 = 6,247.15/x
  3. Step 3: Cross multiply
    7,305.41x = 10,074.85 × 6,247.15
  4. Step 4: Simplify right side
    7,305.41x = 62,939,058.37
  5. Step 5: Solve for x
    x = 62,939,058.37/7,305.41
  6. Step 6: Final answer
    x = 8,615.40

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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.