Home / 11,875.04-17,805.35-8,173.19

Finding the Fourth Proportional to 11,875.04, 17,805.35 and 8,173.19

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Solution

The fourth proportional to 11,875.04, 17,805.35 and 8,173.19 is: 12,254.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,875.04 : 17,805.35 = 8,173.19 : x
  2. Step 2: Convert to fraction form
    11,875.04/17,805.35 = 8,173.19/x
  3. Step 3: Cross multiply
    11,875.04x = 17,805.35 × 8,173.19
  4. Step 4: Simplify right side
    11,875.04x = 145,526,378.67
  5. Step 5: Solve for x
    x = 145,526,378.67/11,875.04
  6. Step 6: Final answer
    x = 12,254.82

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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.