Home / 34,720.76-52,081.27-8,425.50

Finding the Fourth Proportional to 34,720.76, 52,081.27 and 8,425.50

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Solution

The fourth proportional to 34,720.76, 52,081.27 and 8,425.50 is: 12,638.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,720.76 : 52,081.27 = 8,425.50 : x
  2. Step 2: Convert to fraction form
    34,720.76/52,081.27 = 8,425.50/x
  3. Step 3: Cross multiply
    34,720.76x = 52,081.27 × 8,425.50
  4. Step 4: Simplify right side
    34,720.76x = 438,810,886.71
  5. Step 5: Solve for x
    x = 438,810,886.71/34,720.76
  6. Step 6: Final answer
    x = 12,638.29

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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.