Home / 7,394.48-11,085.59-2,949.40

Finding the Fourth Proportional to 7,394.48, 11,085.59 and 2,949.40

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Solution

The fourth proportional to 7,394.48, 11,085.59 and 2,949.40 is: 4,421.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,394.48 : 11,085.59 = 2,949.40 : x
  2. Step 2: Convert to fraction form
    7,394.48/11,085.59 = 2,949.40/x
  3. Step 3: Cross multiply
    7,394.48x = 11,085.59 × 2,949.40
  4. Step 4: Simplify right side
    7,394.48x = 32,695,839.15
  5. Step 5: Solve for x
    x = 32,695,839.15/7,394.48
  6. Step 6: Final answer
    x = 4,421.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.