Home / 12,116.46-18,166.95-5,788.74

Finding the Fourth Proportional to 12,116.46, 18,166.95 and 5,788.74

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Solution

The fourth proportional to 12,116.46, 18,166.95 and 5,788.74 is: 8,679.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,116.46 : 18,166.95 = 5,788.74 : x
  2. Step 2: Convert to fraction form
    12,116.46/18,166.95 = 5,788.74/x
  3. Step 3: Cross multiply
    12,116.46x = 18,166.95 × 5,788.74
  4. Step 4: Simplify right side
    12,116.46x = 105,163,750.14
  5. Step 5: Solve for x
    x = 105,163,750.14/12,116.46
  6. Step 6: Final answer
    x = 8,679.41

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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.