Home / 12,113.70-18,175.77-5,095.32

Finding the Fourth Proportional to 12,113.70, 18,175.77 and 5,095.32

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Solution

The fourth proportional to 12,113.70, 18,175.77 and 5,095.32 is: 7,645.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,113.70 : 18,175.77 = 5,095.32 : x
  2. Step 2: Convert to fraction form
    12,113.70/18,175.77 = 5,095.32/x
  3. Step 3: Cross multiply
    12,113.70x = 18,175.77 × 5,095.32
  4. Step 4: Simplify right side
    12,113.70x = 92,611,364.40
  5. Step 5: Solve for x
    x = 92,611,364.40/12,113.70
  6. Step 6: Final answer
    x = 7,645.18

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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.