Home / 8,447.58-11,656.05-5,302.35

Finding the Fourth Proportional to 8,447.58, 11,656.05 and 5,302.35

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Solution

The fourth proportional to 8,447.58, 11,656.05 and 5,302.35 is: 7,316.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,447.58 : 11,656.05 = 5,302.35 : x
  2. Step 2: Convert to fraction form
    8,447.58/11,656.05 = 5,302.35/x
  3. Step 3: Cross multiply
    8,447.58x = 11,656.05 × 5,302.35
  4. Step 4: Simplify right side
    8,447.58x = 61,804,456.72
  5. Step 5: Solve for x
    x = 61,804,456.72/8,447.58
  6. Step 6: Final answer
    x = 7,316.23

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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.