Home / 11,567.79-17,351.69-5,718.51

Finding the Fourth Proportional to 11,567.79, 17,351.69 and 5,718.51

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Solution

The fourth proportional to 11,567.79, 17,351.69 and 5,718.51 is: 8,577.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,567.79 : 17,351.69 = 5,718.51 : x
  2. Step 2: Convert to fraction form
    11,567.79/17,351.69 = 5,718.51/x
  3. Step 3: Cross multiply
    11,567.79x = 17,351.69 × 5,718.51
  4. Step 4: Simplify right side
    11,567.79x = 99,225,812.78
  5. Step 5: Solve for x
    x = 99,225,812.78/11,567.79
  6. Step 6: Final answer
    x = 8,577.77

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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.