Home / 11,055.90-16,580.05-5,989.02

Finding the Fourth Proportional to 11,055.90, 16,580.05 and 5,989.02

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Solution

The fourth proportional to 11,055.90, 16,580.05 and 5,989.02 is: 8,981.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,055.90 : 16,580.05 = 5,989.02 : x
  2. Step 2: Convert to fraction form
    11,055.90/16,580.05 = 5,989.02/x
  3. Step 3: Cross multiply
    11,055.90x = 16,580.05 × 5,989.02
  4. Step 4: Simplify right side
    11,055.90x = 99,298,251.05
  5. Step 5: Solve for x
    x = 99,298,251.05/11,055.90
  6. Step 6: Final answer
    x = 8,981.47

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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.