Home / 11,053.20-16,579.80-9,303.60

Finding the Fourth Proportional to 11,053.20, 16,579.80 and 9,303.60

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Solution

The fourth proportional to 11,053.20, 16,579.80 and 9,303.60 is: 13,955.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,053.20 : 16,579.80 = 9,303.60 : x
  2. Step 2: Convert to fraction form
    11,053.20/16,579.80 = 9,303.60/x
  3. Step 3: Cross multiply
    11,053.20x = 16,579.80 × 9,303.60
  4. Step 4: Simplify right side
    11,053.20x = 154,251,827.28
  5. Step 5: Solve for x
    x = 154,251,827.28/11,053.20
  6. Step 6: Final answer
    x = 13,955.40

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.