Home / 12,064.35-18,085.19-6,219.39

Finding the Fourth Proportional to 12,064.35, 18,085.19 and 6,219.39

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Solution

The fourth proportional to 12,064.35, 18,085.19 and 6,219.39 is: 9,323.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,064.35 : 18,085.19 = 6,219.39 : x
  2. Step 2: Convert to fraction form
    12,064.35/18,085.19 = 6,219.39/x
  3. Step 3: Cross multiply
    12,064.35x = 18,085.19 × 6,219.39
  4. Step 4: Simplify right side
    12,064.35x = 112,478,818.74
  5. Step 5: Solve for x
    x = 112,478,818.74/12,064.35
  6. Step 6: Final answer
    x = 9,323.24

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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.