Home / 10,940.16-15,099.84-6,225.60

Finding the Fourth Proportional to 10,940.16, 15,099.84 and 6,225.60

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Solution

The fourth proportional to 10,940.16, 15,099.84 and 6,225.60 is: 8,592.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,940.16 : 15,099.84 = 6,225.60 : x
  2. Step 2: Convert to fraction form
    10,940.16/15,099.84 = 6,225.60/x
  3. Step 3: Cross multiply
    10,940.16x = 15,099.84 × 6,225.60
  4. Step 4: Simplify right side
    10,940.16x = 94,005,563.90
  5. Step 5: Solve for x
    x = 94,005,563.90/10,940.16
  6. Step 6: Final answer
    x = 8,592.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.