Home / 8,664.90-11,957.40-4,888.01

Finding the Fourth Proportional to 8,664.90, 11,957.40 and 4,888.01

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Solution

The fourth proportional to 8,664.90, 11,957.40 and 4,888.01 is: 6,745.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,664.90 : 11,957.40 = 4,888.01 : x
  2. Step 2: Convert to fraction form
    8,664.90/11,957.40 = 4,888.01/x
  3. Step 3: Cross multiply
    8,664.90x = 11,957.40 × 4,888.01
  4. Step 4: Simplify right side
    8,664.90x = 58,447,830.99
  5. Step 5: Solve for x
    x = 58,447,830.99/8,664.90
  6. Step 6: Final answer
    x = 6,745.36

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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.