Home / 7,776.02-11,663.48-1,932.63

Finding the Fourth Proportional to 7,776.02, 11,663.48 and 1,932.63

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Solution

The fourth proportional to 7,776.02, 11,663.48 and 1,932.63 is: 2,898.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,776.02 : 11,663.48 = 1,932.63 : x
  2. Step 2: Convert to fraction form
    7,776.02/11,663.48 = 1,932.63/x
  3. Step 3: Cross multiply
    7,776.02x = 11,663.48 × 1,932.63
  4. Step 4: Simplify right side
    7,776.02x = 22,541,181.69
  5. Step 5: Solve for x
    x = 22,541,181.69/7,776.02
  6. Step 6: Final answer
    x = 2,898.81

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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.