Home / 9,200.40-12,696.60-5,008.68

Finding the Fourth Proportional to 9,200.40, 12,696.60 and 5,008.68

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Solution

The fourth proportional to 9,200.40, 12,696.60 and 5,008.68 is: 6,912.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,200.40 : 12,696.60 = 5,008.68 : x
  2. Step 2: Convert to fraction form
    9,200.40/12,696.60 = 5,008.68/x
  3. Step 3: Cross multiply
    9,200.40x = 12,696.60 × 5,008.68
  4. Step 4: Simplify right side
    9,200.40x = 63,593,206.49
  5. Step 5: Solve for x
    x = 63,593,206.49/9,200.40
  6. Step 6: Final answer
    x = 6,912.00

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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.