Home / 7,087.36-9,781.91-4,693.11

Finding the Fourth Proportional to 7,087.36, 9,781.91 and 4,693.11

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Solution

The fourth proportional to 7,087.36, 9,781.91 and 4,693.11 is: 6,477.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,087.36 : 9,781.91 = 4,693.11 : x
  2. Step 2: Convert to fraction form
    7,087.36/9,781.91 = 4,693.11/x
  3. Step 3: Cross multiply
    7,087.36x = 9,781.91 × 4,693.11
  4. Step 4: Simplify right side
    7,087.36x = 45,907,579.64
  5. Step 5: Solve for x
    x = 45,907,579.64/7,087.36
  6. Step 6: Final answer
    x = 6,477.39

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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.