Home / 9,119.00-12,584.36-5,140.17

Finding the Fourth Proportional to 9,119.00, 12,584.36 and 5,140.17

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Solution

The fourth proportional to 9,119.00, 12,584.36 and 5,140.17 is: 7,093.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,119.00 : 12,584.36 = 5,140.17 : x
  2. Step 2: Convert to fraction form
    9,119.00/12,584.36 = 5,140.17/x
  3. Step 3: Cross multiply
    9,119.00x = 12,584.36 × 5,140.17
  4. Step 4: Simplify right side
    9,119.00x = 64,685,762.59
  5. Step 5: Solve for x
    x = 64,685,762.59/9,119.00
  6. Step 6: Final answer
    x = 7,093.51

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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.