Home / 34,723.82-52,085.76-8,428.59

Finding the Fourth Proportional to 34,723.82, 52,085.76 and 8,428.59

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Solution

The fourth proportional to 34,723.82, 52,085.76 and 8,428.59 is: 12,642.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,723.82 : 52,085.76 = 8,428.59 : x
  2. Step 2: Convert to fraction form
    34,723.82/52,085.76 = 8,428.59/x
  3. Step 3: Cross multiply
    34,723.82x = 52,085.76 × 8,428.59
  4. Step 4: Simplify right side
    34,723.82x = 439,009,515.88
  5. Step 5: Solve for x
    x = 439,009,515.88/34,723.82
  6. Step 6: Final answer
    x = 12,642.89

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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.