Home / 7,412.88-11,130.39-4,656.99

Finding the Fourth Proportional to 7,412.88, 11,130.39 and 4,656.99

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Solution

The fourth proportional to 7,412.88, 11,130.39 and 4,656.99 is: 6,992.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,412.88 : 11,130.39 = 4,656.99 : x
  2. Step 2: Convert to fraction form
    7,412.88/11,130.39 = 4,656.99/x
  3. Step 3: Cross multiply
    7,412.88x = 11,130.39 × 4,656.99
  4. Step 4: Simplify right side
    7,412.88x = 51,834,114.93
  5. Step 5: Solve for x
    x = 51,834,114.93/7,412.88
  6. Step 6: Final answer
    x = 6,992.44

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Double scale
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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.