Home / 10,117.10-15,180.34-3,875.06

Finding the Fourth Proportional to 10,117.10, 15,180.34 and 3,875.06

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Solution

The fourth proportional to 10,117.10, 15,180.34 and 3,875.06 is: 5,814.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,117.10 : 15,180.34 = 3,875.06 : x
  2. Step 2: Convert to fraction form
    10,117.10/15,180.34 = 3,875.06/x
  3. Step 3: Cross multiply
    10,117.10x = 15,180.34 × 3,875.06
  4. Step 4: Simplify right side
    10,117.10x = 58,824,728.32
  5. Step 5: Solve for x
    x = 58,824,728.32/10,117.10
  6. Step 6: Final answer
    x = 5,814.39

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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.