Home / 10,885.68-16,333.98-4,316.64

Finding the Fourth Proportional to 10,885.68, 16,333.98 and 4,316.64

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Solution

The fourth proportional to 10,885.68, 16,333.98 and 4,316.64 is: 6,477.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,885.68 : 16,333.98 = 4,316.64 : x
  2. Step 2: Convert to fraction form
    10,885.68/16,333.98 = 4,316.64/x
  3. Step 3: Cross multiply
    10,885.68x = 16,333.98 × 4,316.64
  4. Step 4: Simplify right side
    10,885.68x = 70,507,911.43
  5. Step 5: Solve for x
    x = 70,507,911.43/10,885.68
  6. Step 6: Final answer
    x = 6,477.13

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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.