Home / 9,159.24-12,639.75-4,967.49

Finding the Fourth Proportional to 9,159.24, 12,639.75 and 4,967.49

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Solution

The fourth proportional to 9,159.24, 12,639.75 and 4,967.49 is: 6,855.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,159.24 : 12,639.75 = 4,967.49 : x
  2. Step 2: Convert to fraction form
    9,159.24/12,639.75 = 4,967.49/x
  3. Step 3: Cross multiply
    9,159.24x = 12,639.75 × 4,967.49
  4. Step 4: Simplify right side
    9,159.24x = 62,787,831.73
  5. Step 5: Solve for x
    x = 62,787,831.73/9,159.24
  6. Step 6: Final answer
    x = 6,855.14

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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.