Home / 9,927.02-13,699.20-5,450.68

Finding the Fourth Proportional to 9,927.02, 13,699.20 and 5,450.68

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Solution

The fourth proportional to 9,927.02, 13,699.20 and 5,450.68 is: 7,521.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,927.02 : 13,699.20 = 5,450.68 : x
  2. Step 2: Convert to fraction form
    9,927.02/13,699.20 = 5,450.68/x
  3. Step 3: Cross multiply
    9,927.02x = 13,699.20 × 5,450.68
  4. Step 4: Simplify right side
    9,927.02x = 74,669,955.46
  5. Step 5: Solve for x
    x = 74,669,955.46/9,927.02
  6. Step 6: Final answer
    x = 7,521.89

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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.