Home / 9,767.73-13,478.67-5,519.16

Finding the Fourth Proportional to 9,767.73, 13,478.67 and 5,519.16

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Solution

The fourth proportional to 9,767.73, 13,478.67 and 5,519.16 is: 7,615.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,767.73 : 13,478.67 = 5,519.16 : x
  2. Step 2: Convert to fraction form
    9,767.73/13,478.67 = 5,519.16/x
  3. Step 3: Cross multiply
    9,767.73x = 13,478.67 × 5,519.16
  4. Step 4: Simplify right side
    9,767.73x = 74,390,936.32
  5. Step 5: Solve for x
    x = 74,390,936.32/9,767.73
  6. Step 6: Final answer
    x = 7,615.99

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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.