Home / 10,973.60-16,436.10-4,396.40

Finding the Fourth Proportional to 10,973.60, 16,436.10 and 4,396.40

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Solution

The fourth proportional to 10,973.60, 16,436.10 and 4,396.40 is: 6,584.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,973.60 : 16,436.10 = 4,396.40 : x
  2. Step 2: Convert to fraction form
    10,973.60/16,436.10 = 4,396.40/x
  3. Step 3: Cross multiply
    10,973.60x = 16,436.10 × 4,396.40
  4. Step 4: Simplify right side
    10,973.60x = 72,259,670.04
  5. Step 5: Solve for x
    x = 72,259,670.04/10,973.60
  6. Step 6: Final answer
    x = 6,584.86

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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.