Home / 8,088.12-12,129.93-2,243.34

Finding the Fourth Proportional to 8,088.12, 12,129.93 and 2,243.34

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Solution

The fourth proportional to 8,088.12, 12,129.93 and 2,243.34 is: 3,364.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,088.12 : 12,129.93 = 2,243.34 : x
  2. Step 2: Convert to fraction form
    8,088.12/12,129.93 = 2,243.34/x
  3. Step 3: Cross multiply
    8,088.12x = 12,129.93 × 2,243.34
  4. Step 4: Simplify right side
    8,088.12x = 27,211,557.17
  5. Step 5: Solve for x
    x = 27,211,557.17/8,088.12
  6. Step 6: Final answer
    x = 3,364.39

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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.