Home / 10,187.06-15,276.95-5,510.53

Finding the Fourth Proportional to 10,187.06, 15,276.95 and 5,510.53

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Solution

The fourth proportional to 10,187.06, 15,276.95 and 5,510.53 is: 8,263.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,187.06 : 15,276.95 = 5,510.53 : x
  2. Step 2: Convert to fraction form
    10,187.06/15,276.95 = 5,510.53/x
  3. Step 3: Cross multiply
    10,187.06x = 15,276.95 × 5,510.53
  4. Step 4: Simplify right side
    10,187.06x = 84,183,987.35
  5. Step 5: Solve for x
    x = 84,183,987.35/10,187.06
  6. Step 6: Final answer
    x = 8,263.82

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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.