Home / 9,255.48-12,774.93-5,716.65

Finding the Fourth Proportional to 9,255.48, 12,774.93 and 5,716.65

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Solution

The fourth proportional to 9,255.48, 12,774.93 and 5,716.65 is: 7,890.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,255.48 : 12,774.93 = 5,716.65 : x
  2. Step 2: Convert to fraction form
    9,255.48/12,774.93 = 5,716.65/x
  3. Step 3: Cross multiply
    9,255.48x = 12,774.93 × 5,716.65
  4. Step 4: Simplify right side
    9,255.48x = 73,029,803.58
  5. Step 5: Solve for x
    x = 73,029,803.58/9,255.48
  6. Step 6: Final answer
    x = 7,890.44

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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.