Home / 9,864.64-13,612.86-5,883.69

Finding the Fourth Proportional to 9,864.64, 13,612.86 and 5,883.69

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Solution

The fourth proportional to 9,864.64, 13,612.86 and 5,883.69 is: 8,119.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,864.64 : 13,612.86 = 5,883.69 : x
  2. Step 2: Convert to fraction form
    9,864.64/13,612.86 = 5,883.69/x
  3. Step 3: Cross multiply
    9,864.64x = 13,612.86 × 5,883.69
  4. Step 4: Simplify right side
    9,864.64x = 80,093,899.30
  5. Step 5: Solve for x
    x = 80,093,899.30/9,864.64
  6. Step 6: Final answer
    x = 8,119.29

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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.