Home / 10,620.24-14,656.20-5,904.48

Finding the Fourth Proportional to 10,620.24, 14,656.20 and 5,904.48

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Solution

The fourth proportional to 10,620.24, 14,656.20 and 5,904.48 is: 8,148.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,620.24 : 14,656.20 = 5,904.48 : x
  2. Step 2: Convert to fraction form
    10,620.24/14,656.20 = 5,904.48/x
  3. Step 3: Cross multiply
    10,620.24x = 14,656.20 × 5,904.48
  4. Step 4: Simplify right side
    10,620.24x = 86,537,239.78
  5. Step 5: Solve for x
    x = 86,537,239.78/10,620.24
  6. Step 6: Final answer
    x = 8,148.33

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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.