Home / 11,367.56-17,039.72-7,670.16

Finding the Fourth Proportional to 11,367.56, 17,039.72 and 7,670.16

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Solution

The fourth proportional to 11,367.56, 17,039.72 and 7,670.16 is: 11,497.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,367.56 : 17,039.72 = 7,670.16 : x
  2. Step 2: Convert to fraction form
    11,367.56/17,039.72 = 7,670.16/x
  3. Step 3: Cross multiply
    11,367.56x = 17,039.72 × 7,670.16
  4. Step 4: Simplify right side
    11,367.56x = 130,697,378.76
  5. Step 5: Solve for x
    x = 130,697,378.76/11,367.56
  6. Step 6: Final answer
    x = 11,497.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.