Home / 9,828.76-13,568.90-7,893.52

Finding the Fourth Proportional to 9,828.76, 13,568.90 and 7,893.52

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Solution

The fourth proportional to 9,828.76, 13,568.90 and 7,893.52 is: 10,897.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,828.76 : 13,568.90 = 7,893.52 : x
  2. Step 2: Convert to fraction form
    9,828.76/13,568.90 = 7,893.52/x
  3. Step 3: Cross multiply
    9,828.76x = 13,568.90 × 7,893.52
  4. Step 4: Simplify right side
    9,828.76x = 107,106,383.53
  5. Step 5: Solve for x
    x = 107,106,383.53/9,828.76
  6. Step 6: Final answer
    x = 10,897.24

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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.