Home / 11,144.04-15,376.74-6,426.60

Finding the Fourth Proportional to 11,144.04, 15,376.74 and 6,426.60

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Solution

The fourth proportional to 11,144.04, 15,376.74 and 6,426.60 is: 8,867.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,144.04 : 15,376.74 = 6,426.60 : x
  2. Step 2: Convert to fraction form
    11,144.04/15,376.74 = 6,426.60/x
  3. Step 3: Cross multiply
    11,144.04x = 15,376.74 × 6,426.60
  4. Step 4: Simplify right side
    11,144.04x = 98,820,157.28
  5. Step 5: Solve for x
    x = 98,820,157.28/11,144.04
  6. Step 6: Final answer
    x = 8,867.53

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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.