Home / 8,877.08-13,302.93-6,518.58

Finding the Fourth Proportional to 8,877.08, 13,302.93 and 6,518.58

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Solution

The fourth proportional to 8,877.08, 13,302.93 and 6,518.58 is: 9,768.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,877.08 : 13,302.93 = 6,518.58 : x
  2. Step 2: Convert to fraction form
    8,877.08/13,302.93 = 6,518.58/x
  3. Step 3: Cross multiply
    8,877.08x = 13,302.93 × 6,518.58
  4. Step 4: Simplify right side
    8,877.08x = 86,716,213.44
  5. Step 5: Solve for x
    x = 86,716,213.44/8,877.08
  6. Step 6: Final answer
    x = 9,768.55

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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.