Home / 11,848.80-16,350.60-6,543.72

Finding the Fourth Proportional to 11,848.80, 16,350.60 and 6,543.72

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Solution

The fourth proportional to 11,848.80, 16,350.60 and 6,543.72 is: 9,029.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,848.80 : 16,350.60 = 6,543.72 : x
  2. Step 2: Convert to fraction form
    11,848.80/16,350.60 = 6,543.72/x
  3. Step 3: Cross multiply
    11,848.80x = 16,350.60 × 6,543.72
  4. Step 4: Simplify right side
    11,848.80x = 106,993,748.23
  5. Step 5: Solve for x
    x = 106,993,748.23/11,848.80
  6. Step 6: Final answer
    x = 9,029.92

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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.