Home / 9,788.51-13,508.01-5,312.22

Finding the Fourth Proportional to 9,788.51, 13,508.01 and 5,312.22

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Solution

The fourth proportional to 9,788.51, 13,508.01 and 5,312.22 is: 7,330.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,788.51 : 13,508.01 = 5,312.22 : x
  2. Step 2: Convert to fraction form
    9,788.51/13,508.01 = 5,312.22/x
  3. Step 3: Cross multiply
    9,788.51x = 13,508.01 × 5,312.22
  4. Step 4: Simplify right side
    9,788.51x = 71,757,520.88
  5. Step 5: Solve for x
    x = 71,757,520.88/9,788.51
  6. Step 6: Final answer
    x = 7,330.79

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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.