Home / 9,555.84-13,191.50-6,374.42

Finding the Fourth Proportional to 9,555.84, 13,191.50 and 6,374.42

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Solution

The fourth proportional to 9,555.84, 13,191.50 and 6,374.42 is: 8,799.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,555.84 : 13,191.50 = 6,374.42 : x
  2. Step 2: Convert to fraction form
    9,555.84/13,191.50 = 6,374.42/x
  3. Step 3: Cross multiply
    9,555.84x = 13,191.50 × 6,374.42
  4. Step 4: Simplify right side
    9,555.84x = 84,088,161.43
  5. Step 5: Solve for x
    x = 84,088,161.43/9,555.84
  6. Step 6: Final answer
    x = 8,799.66

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Half scale
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Double scale
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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.