Home / 7,208.88-9,950.48-4,225.69

Finding the Fourth Proportional to 7,208.88, 9,950.48 and 4,225.69

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Solution

The fourth proportional to 7,208.88, 9,950.48 and 4,225.69 is: 5,832.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,208.88 : 9,950.48 = 4,225.69 : x
  2. Step 2: Convert to fraction form
    7,208.88/9,950.48 = 4,225.69/x
  3. Step 3: Cross multiply
    7,208.88x = 9,950.48 × 4,225.69
  4. Step 4: Simplify right side
    7,208.88x = 42,047,643.83
  5. Step 5: Solve for x
    x = 42,047,643.83/7,208.88
  6. Step 6: Final answer
    x = 5,832.76

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Half scale
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Double scale
Find fourth proportional to 7,209.88, 9,951.86 and 4,226.69
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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.