Home / 9,334.04-12,880.97-5,142.29

Finding the Fourth Proportional to 9,334.04, 12,880.97 and 5,142.29

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Solution

The fourth proportional to 9,334.04, 12,880.97 and 5,142.29 is: 7,096.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,334.04 : 12,880.97 = 5,142.29 : x
  2. Step 2: Convert to fraction form
    9,334.04/12,880.97 = 5,142.29/x
  3. Step 3: Cross multiply
    9,334.04x = 12,880.97 × 5,142.29
  4. Step 4: Simplify right side
    9,334.04x = 66,237,618.82
  5. Step 5: Solve for x
    x = 66,237,618.82/9,334.04
  6. Step 6: Final answer
    x = 7,096.35

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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.