Home / 8,417.61-11,611.49-5,268.33

Finding the Fourth Proportional to 8,417.61, 11,611.49 and 5,268.33

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Solution

The fourth proportional to 8,417.61, 11,611.49 and 5,268.33 is: 7,267.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,417.61 : 11,611.49 = 5,268.33 : x
  2. Step 2: Convert to fraction form
    8,417.61/11,611.49 = 5,268.33/x
  3. Step 3: Cross multiply
    8,417.61x = 11,611.49 × 5,268.33
  4. Step 4: Simplify right side
    8,417.61x = 61,173,134.77
  5. Step 5: Solve for x
    x = 61,173,134.77/8,417.61
  6. Step 6: Final answer
    x = 7,267.28

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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.