Home / 13,258.31-18,297.57-7,291.17

Finding the Fourth Proportional to 13,258.31, 18,297.57 and 7,291.17

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Solution

The fourth proportional to 13,258.31, 18,297.57 and 7,291.17 is: 10,062.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,258.31 : 18,297.57 = 7,291.17 : x
  2. Step 2: Convert to fraction form
    13,258.31/18,297.57 = 7,291.17/x
  3. Step 3: Cross multiply
    13,258.31x = 18,297.57 × 7,291.17
  4. Step 4: Simplify right side
    13,258.31x = 133,410,693.46
  5. Step 5: Solve for x
    x = 133,410,693.46/13,258.31
  6. Step 6: Final answer
    x = 10,062.42

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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.