Home / 9,350.74-12,904.09-5,159.14

Finding the Fourth Proportional to 9,350.74, 12,904.09 and 5,159.14

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Solution

The fourth proportional to 9,350.74, 12,904.09 and 5,159.14 is: 7,119.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,350.74 : 12,904.09 = 5,159.14 : x
  2. Step 2: Convert to fraction form
    9,350.74/12,904.09 = 5,159.14/x
  3. Step 3: Cross multiply
    9,350.74x = 12,904.09 × 5,159.14
  4. Step 4: Simplify right side
    9,350.74x = 66,574,006.88
  5. Step 5: Solve for x
    x = 66,574,006.88/9,350.74
  6. Step 6: Final answer
    x = 7,119.65

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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.