Home / 10,991.03-16,487.31-4,417.22

Finding the Fourth Proportional to 10,991.03, 16,487.31 and 4,417.22

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Solution

The fourth proportional to 10,991.03, 16,487.31 and 4,417.22 is: 6,626.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,991.03 : 16,487.31 = 4,417.22 : x
  2. Step 2: Convert to fraction form
    10,991.03/16,487.31 = 4,417.22/x
  3. Step 3: Cross multiply
    10,991.03x = 16,487.31 × 4,417.22
  4. Step 4: Simplify right side
    10,991.03x = 72,827,993.04
  5. Step 5: Solve for x
    x = 72,827,993.04/10,991.03
  6. Step 6: Final answer
    x = 6,626.13

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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.