Home / 11,845.05-17,750.61-8,700.36

Finding the Fourth Proportional to 11,845.05, 17,750.61 and 8,700.36

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Solution

The fourth proportional to 11,845.05, 17,750.61 and 8,700.36 is: 13,038.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,845.05 : 17,750.61 = 8,700.36 : x
  2. Step 2: Convert to fraction form
    11,845.05/17,750.61 = 8,700.36/x
  3. Step 3: Cross multiply
    11,845.05x = 17,750.61 × 8,700.36
  4. Step 4: Simplify right side
    11,845.05x = 154,436,697.22
  5. Step 5: Solve for x
    x = 154,436,697.22/11,845.05
  6. Step 6: Final answer
    x = 13,038.08

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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.