Home / 12,766.19-19,146.33-4,869.59

Finding the Fourth Proportional to 12,766.19, 19,146.33 and 4,869.59

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Solution

The fourth proportional to 12,766.19, 19,146.33 and 4,869.59 is: 7,303.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,766.19 : 19,146.33 = 4,869.59 : x
  2. Step 2: Convert to fraction form
    12,766.19/19,146.33 = 4,869.59/x
  3. Step 3: Cross multiply
    12,766.19x = 19,146.33 × 4,869.59
  4. Step 4: Simplify right side
    12,766.19x = 93,234,777.10
  5. Step 5: Solve for x
    x = 93,234,777.10/12,766.19
  6. Step 6: Final answer
    x = 7,303.26

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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.