Home / 7,355.36-10,149.12-4,167.99

Finding the Fourth Proportional to 7,355.36, 10,149.12 and 4,167.99

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Solution

The fourth proportional to 7,355.36, 10,149.12 and 4,167.99 is: 5,751.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,355.36 : 10,149.12 = 4,167.99 : x
  2. Step 2: Convert to fraction form
    7,355.36/10,149.12 = 4,167.99/x
  3. Step 3: Cross multiply
    7,355.36x = 10,149.12 × 4,167.99
  4. Step 4: Simplify right side
    7,355.36x = 42,301,442.39
  5. Step 5: Solve for x
    x = 42,301,442.39/7,355.36
  6. Step 6: Final answer
    x = 5,751.11

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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.