Home / 12,435.03-17,160.06-6,769.68

Finding the Fourth Proportional to 12,435.03, 17,160.06 and 6,769.68

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Solution

The fourth proportional to 12,435.03, 17,160.06 and 6,769.68 is: 9,342.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,435.03 : 17,160.06 = 6,769.68 : x
  2. Step 2: Convert to fraction form
    12,435.03/17,160.06 = 6,769.68/x
  3. Step 3: Cross multiply
    12,435.03x = 17,160.06 × 6,769.68
  4. Step 4: Simplify right side
    12,435.03x = 116,168,114.98
  5. Step 5: Solve for x
    x = 116,168,114.98/12,435.03
  6. Step 6: Final answer
    x = 9,342.01

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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.