Home / 11,258.60-15,540.26-7,484.00

Finding the Fourth Proportional to 11,258.60, 15,540.26 and 7,484.00

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Solution

The fourth proportional to 11,258.60, 15,540.26 and 7,484.00 is: 10,330.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,258.60 : 15,540.26 = 7,484.00 : x
  2. Step 2: Convert to fraction form
    11,258.60/15,540.26 = 7,484.00/x
  3. Step 3: Cross multiply
    11,258.60x = 15,540.26 × 7,484.00
  4. Step 4: Simplify right side
    11,258.60x = 116,303,190.72
  5. Step 5: Solve for x
    x = 116,303,190.72/11,258.60
  6. Step 6: Final answer
    x = 10,330.17

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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.