Home / 9,767.49-13,479.96-5,519.32

Finding the Fourth Proportional to 9,767.49, 13,479.96 and 5,519.32

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Solution

The fourth proportional to 9,767.49, 13,479.96 and 5,519.32 is: 7,617.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,767.49 : 13,479.96 = 5,519.32 : x
  2. Step 2: Convert to fraction form
    9,767.49/13,479.96 = 5,519.32/x
  3. Step 3: Cross multiply
    9,767.49x = 13,479.96 × 5,519.32
  4. Step 4: Simplify right side
    9,767.49x = 74,400,185.23
  5. Step 5: Solve for x
    x = 74,400,185.23/9,767.49
  6. Step 6: Final answer
    x = 7,617.13

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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.