Home / 10,627.02-15,940.56-5,079.11

Finding the Fourth Proportional to 10,627.02, 15,940.56 and 5,079.11

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Solution

The fourth proportional to 10,627.02, 15,940.56 and 5,079.11 is: 7,618.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,627.02 : 15,940.56 = 5,079.11 : x
  2. Step 2: Convert to fraction form
    10,627.02/15,940.56 = 5,079.11/x
  3. Step 3: Cross multiply
    10,627.02x = 15,940.56 × 5,079.11
  4. Step 4: Simplify right side
    10,627.02x = 80,963,778.00
  5. Step 5: Solve for x
    x = 80,963,778.00/10,627.02
  6. Step 6: Final answer
    x = 7,618.67

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1.5x scale

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.