Home / 7,613.24-10,512.72-6,360.98

Finding the Fourth Proportional to 7,613.24, 10,512.72 and 6,360.98

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Solution

The fourth proportional to 7,613.24, 10,512.72 and 6,360.98 is: 8,783.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,613.24 : 10,512.72 = 6,360.98 : x
  2. Step 2: Convert to fraction form
    7,613.24/10,512.72 = 6,360.98/x
  3. Step 3: Cross multiply
    7,613.24x = 10,512.72 × 6,360.98
  4. Step 4: Simplify right side
    7,613.24x = 66,871,149.10
  5. Step 5: Solve for x
    x = 66,871,149.10/7,613.24
  6. Step 6: Final answer
    x = 8,783.54

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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.