Home / 9,927.09-13,699.60-5,451.13

Finding the Fourth Proportional to 9,927.09, 13,699.60 and 5,451.13

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Solution

The fourth proportional to 9,927.09, 13,699.60 and 5,451.13 is: 7,522.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,927.09 : 13,699.60 = 5,451.13 : x
  2. Step 2: Convert to fraction form
    9,927.09/13,699.60 = 5,451.13/x
  3. Step 3: Cross multiply
    9,927.09x = 13,699.60 × 5,451.13
  4. Step 4: Simplify right side
    9,927.09x = 74,678,273.29
  5. Step 5: Solve for x
    x = 74,678,273.29/9,927.09
  6. Step 6: Final answer
    x = 7,522.68

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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.