Home / 7,374.60-11,045.70-6,553.80

Finding the Fourth Proportional to 7,374.60, 11,045.70 and 6,553.80

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Solution

The fourth proportional to 7,374.60, 11,045.70 and 6,553.80 is: 9,816.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,374.60 : 11,045.70 = 6,553.80 : x
  2. Step 2: Convert to fraction form
    7,374.60/11,045.70 = 6,553.80/x
  3. Step 3: Cross multiply
    7,374.60x = 11,045.70 × 6,553.80
  4. Step 4: Simplify right side
    7,374.60x = 72,391,308.66
  5. Step 5: Solve for x
    x = 72,391,308.66/7,374.60
  6. Step 6: Final answer
    x = 9,816.30

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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.