Home / 9,036.24-13,440.78-8,292.66

Finding the Fourth Proportional to 9,036.24, 13,440.78 and 8,292.66

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Solution

The fourth proportional to 9,036.24, 13,440.78 and 8,292.66 is: 12,334.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,036.24 : 13,440.78 = 8,292.66 : x
  2. Step 2: Convert to fraction form
    9,036.24/13,440.78 = 8,292.66/x
  3. Step 3: Cross multiply
    9,036.24x = 13,440.78 × 8,292.66
  4. Step 4: Simplify right side
    9,036.24x = 111,459,818.67
  5. Step 5: Solve for x
    x = 111,459,818.67/9,036.24
  6. Step 6: Final answer
    x = 12,334.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.