Home / 10,964.36-16,447.46-4,386.96

Finding the Fourth Proportional to 10,964.36, 16,447.46 and 4,386.96

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Solution

The fourth proportional to 10,964.36, 16,447.46 and 4,386.96 is: 6,580.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,964.36 : 16,447.46 = 4,386.96 : x
  2. Step 2: Convert to fraction form
    10,964.36/16,447.46 = 4,386.96/x
  3. Step 3: Cross multiply
    10,964.36x = 16,447.46 × 4,386.96
  4. Step 4: Simplify right side
    10,964.36x = 72,154,327.19
  5. Step 5: Solve for x
    x = 72,154,327.19/10,964.36
  6. Step 6: Final answer
    x = 6,580.80

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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.