Home / 8,523.20-11,762.19-4,988.45

Finding the Fourth Proportional to 8,523.20, 11,762.19 and 4,988.45

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Solution

The fourth proportional to 8,523.20, 11,762.19 and 4,988.45 is: 6,884.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,523.20 : 11,762.19 = 4,988.45 : x
  2. Step 2: Convert to fraction form
    8,523.20/11,762.19 = 4,988.45/x
  3. Step 3: Cross multiply
    8,523.20x = 11,762.19 × 4,988.45
  4. Step 4: Simplify right side
    8,523.20x = 58,675,037.89
  5. Step 5: Solve for x
    x = 58,675,037.89/8,523.20
  6. Step 6: Final answer
    x = 6,884.16

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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.