Home / 9,479.25-13,081.59-5,230.35

Finding the Fourth Proportional to 9,479.25, 13,081.59 and 5,230.35

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Solution

The fourth proportional to 9,479.25, 13,081.59 and 5,230.35 is: 7,218.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,479.25 : 13,081.59 = 5,230.35 : x
  2. Step 2: Convert to fraction form
    9,479.25/13,081.59 = 5,230.35/x
  3. Step 3: Cross multiply
    9,479.25x = 13,081.59 × 5,230.35
  4. Step 4: Simplify right side
    9,479.25x = 68,421,294.26
  5. Step 5: Solve for x
    x = 68,421,294.26/9,479.25
  6. Step 6: Final answer
    x = 7,218.01

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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.