Home / 9,865.44-13,612.59-5,886.32

Finding the Fourth Proportional to 9,865.44, 13,612.59 and 5,886.32

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Solution

The fourth proportional to 9,865.44, 13,612.59 and 5,886.32 is: 8,122.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,865.44 : 13,612.59 = 5,886.32 : x
  2. Step 2: Convert to fraction form
    9,865.44/13,612.59 = 5,886.32/x
  3. Step 3: Cross multiply
    9,865.44x = 13,612.59 × 5,886.32
  4. Step 4: Simplify right side
    9,865.44x = 80,127,992.71
  5. Step 5: Solve for x
    x = 80,127,992.71/9,865.44
  6. Step 6: Final answer
    x = 8,122.09

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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.