Home / 11,567.15-17,322.75-6,621.81

Finding the Fourth Proportional to 11,567.15, 17,322.75 and 6,621.81

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Solution

The fourth proportional to 11,567.15, 17,322.75 and 6,621.81 is: 9,916.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,567.15 : 17,322.75 = 6,621.81 : x
  2. Step 2: Convert to fraction form
    11,567.15/17,322.75 = 6,621.81/x
  3. Step 3: Cross multiply
    11,567.15x = 17,322.75 × 6,621.81
  4. Step 4: Simplify right side
    11,567.15x = 114,707,959.18
  5. Step 5: Solve for x
    x = 114,707,959.18/11,567.15
  6. Step 6: Final answer
    x = 9,916.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.