Home / 9,927.76-13,699.40-5,948.80

Finding the Fourth Proportional to 9,927.76, 13,699.40 and 5,948.80

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Solution

The fourth proportional to 9,927.76, 13,699.40 and 5,948.80 is: 8,208.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,927.76 : 13,699.40 = 5,948.80 : x
  2. Step 2: Convert to fraction form
    9,927.76/13,699.40 = 5,948.80/x
  3. Step 3: Cross multiply
    9,927.76x = 13,699.40 × 5,948.80
  4. Step 4: Simplify right side
    9,927.76x = 81,494,990.72
  5. Step 5: Solve for x
    x = 81,494,990.72/9,927.76
  6. Step 6: Final answer
    x = 8,208.80

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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.