Home / 8,618.13-11,897.53-5,800.32

Finding the Fourth Proportional to 8,618.13, 11,897.53 and 5,800.32

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Solution

The fourth proportional to 8,618.13, 11,897.53 and 5,800.32 is: 8,007.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,618.13 : 11,897.53 = 5,800.32 : x
  2. Step 2: Convert to fraction form
    8,618.13/11,897.53 = 5,800.32/x
  3. Step 3: Cross multiply
    8,618.13x = 11,897.53 × 5,800.32
  4. Step 4: Simplify right side
    8,618.13x = 69,009,481.21
  5. Step 5: Solve for x
    x = 69,009,481.21/8,618.13
  6. Step 6: Final answer
    x = 8,007.48

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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.