Home / 12,191.04-16,823.56-6,602

Finding the Fourth Proportional to 12,191.04, 16,823.56 and 6,602

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Solution

The fourth proportional to 12,191.04, 16,823.56 and 6,602 is: 9,110.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,191.04 : 16,823.56 = 6,602 : x
  2. Step 2: Convert to fraction form
    12,191.04/16,823.56 = 6,602/x
  3. Step 3: Cross multiply
    12,191.04x = 16,823.56 × 6,602
  4. Step 4: Simplify right side
    12,191.04x = 111,069,143.12
  5. Step 5: Solve for x
    x = 111,069,143.12/12,191.04
  6. Step 6: Final answer
    x = 9,110.72

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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.