Home / 9,919.14-13,684.32-6,563.58

Finding the Fourth Proportional to 9,919.14, 13,684.32 and 6,563.58

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Solution

The fourth proportional to 9,919.14, 13,684.32 and 6,563.58 is: 9,055.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,919.14 : 13,684.32 = 6,563.58 : x
  2. Step 2: Convert to fraction form
    9,919.14/13,684.32 = 6,563.58/x
  3. Step 3: Cross multiply
    9,919.14x = 13,684.32 × 6,563.58
  4. Step 4: Simplify right side
    9,919.14x = 89,818,129.07
  5. Step 5: Solve for x
    x = 89,818,129.07/9,919.14
  6. Step 6: Final answer
    x = 9,055.03

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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.