Home / 11,116.70-16,683.15-7,417.70

Finding the Fourth Proportional to 11,116.70, 16,683.15 and 7,417.70

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Solution

The fourth proportional to 11,116.70, 16,683.15 and 7,417.70 is: 11,131.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,116.70 : 16,683.15 = 7,417.70 : x
  2. Step 2: Convert to fraction form
    11,116.70/16,683.15 = 7,417.70/x
  3. Step 3: Cross multiply
    11,116.70x = 16,683.15 × 7,417.70
  4. Step 4: Simplify right side
    11,116.70x = 123,750,601.76
  5. Step 5: Solve for x
    x = 123,750,601.76/11,116.70
  6. Step 6: Final answer
    x = 11,131.95

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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.