Home / 10,875.26-16,312.64-3,479.69

Finding the Fourth Proportional to 10,875.26, 16,312.64 and 3,479.69

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Solution

The fourth proportional to 10,875.26, 16,312.64 and 3,479.69 is: 5,219.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,875.26 : 16,312.64 = 3,479.69 : x
  2. Step 2: Convert to fraction form
    10,875.26/16,312.64 = 3,479.69/x
  3. Step 3: Cross multiply
    10,875.26x = 16,312.64 × 3,479.69
  4. Step 4: Simplify right side
    10,875.26x = 56,762,918.59
  5. Step 5: Solve for x
    x = 56,762,918.59/10,875.26
  6. Step 6: Final answer
    x = 5,219.46

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.