Home / 9,611.09-13,264.61-5,633.79

Finding the Fourth Proportional to 9,611.09, 13,264.61 and 5,633.79

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Solution

The fourth proportional to 9,611.09, 13,264.61 and 5,633.79 is: 7,775.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,611.09 : 13,264.61 = 5,633.79 : x
  2. Step 2: Convert to fraction form
    9,611.09/13,264.61 = 5,633.79/x
  3. Step 3: Cross multiply
    9,611.09x = 13,264.61 × 5,633.79
  4. Step 4: Simplify right side
    9,611.09x = 74,730,027.17
  5. Step 5: Solve for x
    x = 74,730,027.17/9,611.09
  6. Step 6: Final answer
    x = 7,775.40

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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.