Home / 8,330.91-11,495.25-4,975.08

Finding the Fourth Proportional to 8,330.91, 11,495.25 and 4,975.08

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Solution

The fourth proportional to 8,330.91, 11,495.25 and 4,975.08 is: 6,864.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,330.91 : 11,495.25 = 4,975.08 : x
  2. Step 2: Convert to fraction form
    8,330.91/11,495.25 = 4,975.08/x
  3. Step 3: Cross multiply
    8,330.91x = 11,495.25 × 4,975.08
  4. Step 4: Simplify right side
    8,330.91x = 57,189,788.37
  5. Step 5: Solve for x
    x = 57,189,788.37/8,330.91
  6. Step 6: Final answer
    x = 6,864.77

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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.