Home / 8,258.36-11,396.50-4,721.63

Finding the Fourth Proportional to 8,258.36, 11,396.50 and 4,721.63

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Solution

The fourth proportional to 8,258.36, 11,396.50 and 4,721.63 is: 6,515.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,258.36 : 11,396.50 = 4,721.63 : x
  2. Step 2: Convert to fraction form
    8,258.36/11,396.50 = 4,721.63/x
  3. Step 3: Cross multiply
    8,258.36x = 11,396.50 × 4,721.63
  4. Step 4: Simplify right side
    8,258.36x = 53,809,987.51
  5. Step 5: Solve for x
    x = 53,809,987.51/8,258.36
  6. Step 6: Final answer
    x = 6,515.82

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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.