Home / 7,411.40-11,110.70-4,486.60

Finding the Fourth Proportional to 7,411.40, 11,110.70 and 4,486.60

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Solution

The fourth proportional to 7,411.40, 11,110.70 and 4,486.60 is: 6,726.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,411.40 : 11,110.70 = 4,486.60 : x
  2. Step 2: Convert to fraction form
    7,411.40/11,110.70 = 4,486.60/x
  3. Step 3: Cross multiply
    7,411.40x = 11,110.70 × 4,486.60
  4. Step 4: Simplify right side
    7,411.40x = 49,849,266.62
  5. Step 5: Solve for x
    x = 49,849,266.62/7,411.40
  6. Step 6: Final answer
    x = 6,726.03

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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.