Home / 11,120.48-16,666.40-8,325.26

Finding the Fourth Proportional to 11,120.48, 16,666.40 and 8,325.26

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Solution

The fourth proportional to 11,120.48, 16,666.40 and 8,325.26 is: 12,477.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,120.48 : 16,666.40 = 8,325.26 : x
  2. Step 2: Convert to fraction form
    11,120.48/16,666.40 = 8,325.26/x
  3. Step 3: Cross multiply
    11,120.48x = 16,666.40 × 8,325.26
  4. Step 4: Simplify right side
    11,120.48x = 138,752,113.26
  5. Step 5: Solve for x
    x = 138,752,113.26/11,120.48
  6. Step 6: Final answer
    x = 12,477.17

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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.