Home / 7,661.36-10,567.59-4,828.79

Finding the Fourth Proportional to 7,661.36, 10,567.59 and 4,828.79

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Solution

The fourth proportional to 7,661.36, 10,567.59 and 4,828.79 is: 6,660.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,661.36 : 10,567.59 = 4,828.79 : x
  2. Step 2: Convert to fraction form
    7,661.36/10,567.59 = 4,828.79/x
  3. Step 3: Cross multiply
    7,661.36x = 10,567.59 × 4,828.79
  4. Step 4: Simplify right side
    7,661.36x = 51,028,672.92
  5. Step 5: Solve for x
    x = 51,028,672.92/7,661.36
  6. Step 6: Final answer
    x = 6,660.52

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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.