Home / 12,370.89-17,071.51-6,705.39

Finding the Fourth Proportional to 12,370.89, 17,071.51 and 6,705.39

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Solution

The fourth proportional to 12,370.89, 17,071.51 and 6,705.39 is: 9,253.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,370.89 : 17,071.51 = 6,705.39 : x
  2. Step 2: Convert to fraction form
    12,370.89/17,071.51 = 6,705.39/x
  3. Step 3: Cross multiply
    12,370.89x = 17,071.51 × 6,705.39
  4. Step 4: Simplify right side
    12,370.89x = 114,471,192.27
  5. Step 5: Solve for x
    x = 114,471,192.27/12,370.89
  6. Step 6: Final answer
    x = 9,253.27

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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.