Home / 8,963.04-13,416.80-8,197.58

Finding the Fourth Proportional to 8,963.04, 13,416.80 and 8,197.58

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Solution

The fourth proportional to 8,963.04, 13,416.80 and 8,197.58 is: 12,270.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,963.04 : 13,416.80 = 8,197.58 : x
  2. Step 2: Convert to fraction form
    8,963.04/13,416.80 = 8,197.58/x
  3. Step 3: Cross multiply
    8,963.04x = 13,416.80 × 8,197.58
  4. Step 4: Simplify right side
    8,963.04x = 109,985,291.34
  5. Step 5: Solve for x
    x = 109,985,291.34/8,963.04
  6. Step 6: Final answer
    x = 12,270.98

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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.