Home / 10,980.36-16,464.06-4,055.40

Finding the Fourth Proportional to 10,980.36, 16,464.06 and 4,055.40

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Solution

The fourth proportional to 10,980.36, 16,464.06 and 4,055.40 is: 6,080.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,980.36 : 16,464.06 = 4,055.40 : x
  2. Step 2: Convert to fraction form
    10,980.36/16,464.06 = 4,055.40/x
  3. Step 3: Cross multiply
    10,980.36x = 16,464.06 × 4,055.40
  4. Step 4: Simplify right side
    10,980.36x = 66,768,348.92
  5. Step 5: Solve for x
    x = 66,768,348.92/10,980.36
  6. Step 6: Final answer
    x = 6,080.71

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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.