Home / 11,356.47-17,038.19-5,813.75

Finding the Fourth Proportional to 11,356.47, 17,038.19 and 5,813.75

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Solution

The fourth proportional to 11,356.47, 17,038.19 and 5,813.75 is: 8,722.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,356.47 : 17,038.19 = 5,813.75 : x
  2. Step 2: Convert to fraction form
    11,356.47/17,038.19 = 5,813.75/x
  3. Step 3: Cross multiply
    11,356.47x = 17,038.19 × 5,813.75
  4. Step 4: Simplify right side
    11,356.47x = 99,055,706.46
  5. Step 5: Solve for x
    x = 99,055,706.46/11,356.47
  6. Step 6: Final answer
    x = 8,722.40

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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.