Home / 11,875.93-17,813.86-3,555.96

Finding the Fourth Proportional to 11,875.93, 17,813.86 and 3,555.96

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Solution

The fourth proportional to 11,875.93, 17,813.86 and 3,555.96 is: 5,333.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,875.93 : 17,813.86 = 3,555.96 : x
  2. Step 2: Convert to fraction form
    11,875.93/17,813.86 = 3,555.96/x
  3. Step 3: Cross multiply
    11,875.93x = 17,813.86 × 3,555.96
  4. Step 4: Simplify right side
    11,875.93x = 63,345,373.61
  5. Step 5: Solve for x
    x = 63,345,373.61/11,875.93
  6. Step 6: Final answer
    x = 5,333.93

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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.