Home / 10,114.74-15,172.02-4,270.50

Finding the Fourth Proportional to 10,114.74, 15,172.02 and 4,270.50

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Solution

The fourth proportional to 10,114.74, 15,172.02 and 4,270.50 is: 6,405.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,114.74 : 15,172.02 = 4,270.50 : x
  2. Step 2: Convert to fraction form
    10,114.74/15,172.02 = 4,270.50/x
  3. Step 3: Cross multiply
    10,114.74x = 15,172.02 × 4,270.50
  4. Step 4: Simplify right side
    10,114.74x = 64,792,111.41
  5. Step 5: Solve for x
    x = 64,792,111.41/10,114.74
  6. Step 6: Final answer
    x = 6,405.71

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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.