Home / 10,821.12-14,933.16-5,853.12

Finding the Fourth Proportional to 10,821.12, 14,933.16 and 5,853.12

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Solution

The fourth proportional to 10,821.12, 14,933.16 and 5,853.12 is: 8,077.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,821.12 : 14,933.16 = 5,853.12 : x
  2. Step 2: Convert to fraction form
    10,821.12/14,933.16 = 5,853.12/x
  3. Step 3: Cross multiply
    10,821.12x = 14,933.16 × 5,853.12
  4. Step 4: Simplify right side
    10,821.12x = 87,405,577.46
  5. Step 5: Solve for x
    x = 87,405,577.46/10,821.12
  6. Step 6: Final answer
    x = 8,077.31

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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.