Home / 7,970.08-11,955.66-2,776.36

Finding the Fourth Proportional to 7,970.08, 11,955.66 and 2,776.36

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Solution

The fourth proportional to 7,970.08, 11,955.66 and 2,776.36 is: 4,164.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,970.08 : 11,955.66 = 2,776.36 : x
  2. Step 2: Convert to fraction form
    7,970.08/11,955.66 = 2,776.36/x
  3. Step 3: Cross multiply
    7,970.08x = 11,955.66 × 2,776.36
  4. Step 4: Simplify right side
    7,970.08x = 33,193,216.20
  5. Step 5: Solve for x
    x = 33,193,216.20/7,970.08
  6. Step 6: Final answer
    x = 4,164.73

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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.