Home / 9,509.24-13,125.80-5,529.60

Finding the Fourth Proportional to 9,509.24, 13,125.80 and 5,529.60

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Solution

The fourth proportional to 9,509.24, 13,125.80 and 5,529.60 is: 7,632.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,509.24 : 13,125.80 = 5,529.60 : x
  2. Step 2: Convert to fraction form
    9,509.24/13,125.80 = 5,529.60/x
  3. Step 3: Cross multiply
    9,509.24x = 13,125.80 × 5,529.60
  4. Step 4: Simplify right side
    9,509.24x = 72,580,423.68
  5. Step 5: Solve for x
    x = 72,580,423.68/9,509.24
  6. Step 6: Final answer
    x = 7,632.62

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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.