Home / 10,323.15-15,485.75-3,301.40

Finding the Fourth Proportional to 10,323.15, 15,485.75 and 3,301.40

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Solution

The fourth proportional to 10,323.15, 15,485.75 and 3,301.40 is: 4,952.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,323.15 : 15,485.75 = 3,301.40 : x
  2. Step 2: Convert to fraction form
    10,323.15/15,485.75 = 3,301.40/x
  3. Step 3: Cross multiply
    10,323.15x = 15,485.75 × 3,301.40
  4. Step 4: Simplify right side
    10,323.15x = 51,124,660.01
  5. Step 5: Solve for x
    x = 51,124,660.01/10,323.15
  6. Step 6: Final answer
    x = 4,952.43

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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.