Home / 9,675.82-13,355.47-6,319.16

Finding the Fourth Proportional to 9,675.82, 13,355.47 and 6,319.16

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Solution

The fourth proportional to 9,675.82, 13,355.47 and 6,319.16 is: 8,722.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,675.82 : 13,355.47 = 6,319.16 : x
  2. Step 2: Convert to fraction form
    9,675.82/13,355.47 = 6,319.16/x
  3. Step 3: Cross multiply
    9,675.82x = 13,355.47 × 6,319.16
  4. Step 4: Simplify right side
    9,675.82x = 84,395,351.81
  5. Step 5: Solve for x
    x = 84,395,351.81/9,675.82
  6. Step 6: Final answer
    x = 8,722.29

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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.