Home / 12,746.36-17,590.11-7,081.46

Finding the Fourth Proportional to 12,746.36, 17,590.11 and 7,081.46

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Solution

The fourth proportional to 12,746.36, 17,590.11 and 7,081.46 is: 9,772.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,746.36 : 17,590.11 = 7,081.46 : x
  2. Step 2: Convert to fraction form
    12,746.36/17,590.11 = 7,081.46/x
  3. Step 3: Cross multiply
    12,746.36x = 17,590.11 × 7,081.46
  4. Step 4: Simplify right side
    12,746.36x = 124,563,572.41
  5. Step 5: Solve for x
    x = 124,563,572.41/12,746.36
  6. Step 6: Final answer
    x = 9,772.49

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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.