Home / 9,864.23-13,612.61-5,885.51

Finding the Fourth Proportional to 9,864.23, 13,612.61 and 5,885.51

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Solution

The fourth proportional to 9,864.23, 13,612.61 and 5,885.51 is: 8,121.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,864.23 : 13,612.61 = 5,885.51 : x
  2. Step 2: Convert to fraction form
    9,864.23/13,612.61 = 5,885.51/x
  3. Step 3: Cross multiply
    9,864.23x = 13,612.61 × 5,885.51
  4. Step 4: Simplify right side
    9,864.23x = 80,117,122.85
  5. Step 5: Solve for x
    x = 80,117,122.85/9,864.23
  6. Step 6: Final answer
    x = 8,121.98

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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.