Home / 10,971.66-16,459.96-5,125.08

Finding the Fourth Proportional to 10,971.66, 16,459.96 and 5,125.08

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Solution

The fourth proportional to 10,971.66, 16,459.96 and 5,125.08 is: 7,688.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,971.66 : 16,459.96 = 5,125.08 : x
  2. Step 2: Convert to fraction form
    10,971.66/16,459.96 = 5,125.08/x
  3. Step 3: Cross multiply
    10,971.66x = 16,459.96 × 5,125.08
  4. Step 4: Simplify right side
    10,971.66x = 84,358,611.80
  5. Step 5: Solve for x
    x = 84,358,611.80/10,971.66
  6. Step 6: Final answer
    x = 7,688.77

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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.