Home / 11,748.60-17,666.10-9,847.80

Finding the Fourth Proportional to 11,748.60, 17,666.10 and 9,847.80

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Solution

The fourth proportional to 11,748.60, 17,666.10 and 9,847.80 is: 14,807.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,748.60 : 17,666.10 = 9,847.80 : x
  2. Step 2: Convert to fraction form
    11,748.60/17,666.10 = 9,847.80/x
  3. Step 3: Cross multiply
    11,748.60x = 17,666.10 × 9,847.80
  4. Step 4: Simplify right side
    11,748.60x = 173,972,219.58
  5. Step 5: Solve for x
    x = 173,972,219.58/11,748.60
  6. Step 6: Final answer
    x = 14,807.91

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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.