Home / 10,415.99-15,623.64-4,174.33

Finding the Fourth Proportional to 10,415.99, 15,623.64 and 4,174.33

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Solution

The fourth proportional to 10,415.99, 15,623.64 and 4,174.33 is: 6,261.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,415.99 : 15,623.64 = 4,174.33 : x
  2. Step 2: Convert to fraction form
    10,415.99/15,623.64 = 4,174.33/x
  3. Step 3: Cross multiply
    10,415.99x = 15,623.64 × 4,174.33
  4. Step 4: Simplify right side
    10,415.99x = 65,218,208.29
  5. Step 5: Solve for x
    x = 65,218,208.29/10,415.99
  6. Step 6: Final answer
    x = 6,261.35

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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.