Home / 8,133.91-11,225.06-5,303.12

Finding the Fourth Proportional to 8,133.91, 11,225.06 and 5,303.12

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Solution

The fourth proportional to 8,133.91, 11,225.06 and 5,303.12 is: 7,318.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,133.91 : 11,225.06 = 5,303.12 : x
  2. Step 2: Convert to fraction form
    8,133.91/11,225.06 = 5,303.12/x
  3. Step 3: Cross multiply
    8,133.91x = 11,225.06 × 5,303.12
  4. Step 4: Simplify right side
    8,133.91x = 59,527,777.43
  5. Step 5: Solve for x
    x = 59,527,777.43/8,133.91
  6. Step 6: Final answer
    x = 7,318.47

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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.