Home / 12,048.07-16,626.43-6,742.87

Finding the Fourth Proportional to 12,048.07, 16,626.43 and 6,742.87

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Solution

The fourth proportional to 12,048.07, 16,626.43 and 6,742.87 is: 9,305.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,048.07 : 16,626.43 = 6,742.87 : x
  2. Step 2: Convert to fraction form
    12,048.07/16,626.43 = 6,742.87/x
  3. Step 3: Cross multiply
    12,048.07x = 16,626.43 × 6,742.87
  4. Step 4: Simplify right side
    12,048.07x = 112,109,841.23
  5. Step 5: Solve for x
    x = 112,109,841.23/12,048.07
  6. Step 6: Final answer
    x = 9,305.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.