Home / 8,345.36-11,507.64-7,033.52

Finding the Fourth Proportional to 8,345.36, 11,507.64 and 7,033.52

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Solution

The fourth proportional to 8,345.36, 11,507.64 and 7,033.52 is: 9,698.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,345.36 : 11,507.64 = 7,033.52 : x
  2. Step 2: Convert to fraction form
    8,345.36/11,507.64 = 7,033.52/x
  3. Step 3: Cross multiply
    8,345.36x = 11,507.64 × 7,033.52
  4. Step 4: Simplify right side
    8,345.36x = 80,939,216.09
  5. Step 5: Solve for x
    x = 80,939,216.09/8,345.36
  6. Step 6: Final answer
    x = 9,698.71

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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.