Home / 9,828.27-13,563.36-5,351.81

Finding the Fourth Proportional to 9,828.27, 13,563.36 and 5,351.81

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Solution

The fourth proportional to 9,828.27, 13,563.36 and 5,351.81 is: 7,385.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,828.27 : 13,563.36 = 5,351.81 : x
  2. Step 2: Convert to fraction form
    9,828.27/13,563.36 = 5,351.81/x
  3. Step 3: Cross multiply
    9,828.27x = 13,563.36 × 5,351.81
  4. Step 4: Simplify right side
    9,828.27x = 72,588,457.86
  5. Step 5: Solve for x
    x = 72,588,457.86/9,828.27
  6. Step 6: Final answer
    x = 7,385.68

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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.