Home / 10,991.17-16,487.52-4,417.35

Finding the Fourth Proportional to 10,991.17, 16,487.52 and 4,417.35

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Solution

The fourth proportional to 10,991.17, 16,487.52 and 4,417.35 is: 6,626.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,991.17 : 16,487.52 = 4,417.35 : x
  2. Step 2: Convert to fraction form
    10,991.17/16,487.52 = 4,417.35/x
  3. Step 3: Cross multiply
    10,991.17x = 16,487.52 × 4,417.35
  4. Step 4: Simplify right side
    10,991.17x = 72,831,146.47
  5. Step 5: Solve for x
    x = 72,831,146.47/10,991.17
  6. Step 6: Final answer
    x = 6,626.33

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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.