Home / 10,717.40-16,076.10-4,875.68

Finding the Fourth Proportional to 10,717.40, 16,076.10 and 4,875.68

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Solution

The fourth proportional to 10,717.40, 16,076.10 and 4,875.68 is: 7,313.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,717.40 : 16,076.10 = 4,875.68 : x
  2. Step 2: Convert to fraction form
    10,717.40/16,076.10 = 4,875.68/x
  3. Step 3: Cross multiply
    10,717.40x = 16,076.10 × 4,875.68
  4. Step 4: Simplify right side
    10,717.40x = 78,381,919.25
  5. Step 5: Solve for x
    x = 78,381,919.25/10,717.40
  6. Step 6: Final answer
    x = 7,313.52

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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.