Home / 8,708.27-12,017.21-4,729.34

Finding the Fourth Proportional to 8,708.27, 12,017.21 and 4,729.34

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Solution

The fourth proportional to 8,708.27, 12,017.21 and 4,729.34 is: 6,526.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,708.27 : 12,017.21 = 4,729.34 : x
  2. Step 2: Convert to fraction form
    8,708.27/12,017.21 = 4,729.34/x
  3. Step 3: Cross multiply
    8,708.27x = 12,017.21 × 4,729.34
  4. Step 4: Simplify right side
    8,708.27x = 56,833,388.21
  5. Step 5: Solve for x
    x = 56,833,388.21/8,708.27
  6. Step 6: Final answer
    x = 6,526.37

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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.