Home / 10,448.64-15,674.40-3,525.12

Finding the Fourth Proportional to 10,448.64, 15,674.40 and 3,525.12

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Solution

The fourth proportional to 10,448.64, 15,674.40 and 3,525.12 is: 5,288.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,448.64 : 15,674.40 = 3,525.12 : x
  2. Step 2: Convert to fraction form
    10,448.64/15,674.40 = 3,525.12/x
  3. Step 3: Cross multiply
    10,448.64x = 15,674.40 × 3,525.12
  4. Step 4: Simplify right side
    10,448.64x = 55,254,140.93
  5. Step 5: Solve for x
    x = 55,254,140.93/10,448.64
  6. Step 6: Final answer
    x = 5,288.17

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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.