Home / 9,220.77-13,831.07-2,646.95

Finding the Fourth Proportional to 9,220.77, 13,831.07 and 2,646.95

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Solution

The fourth proportional to 9,220.77, 13,831.07 and 2,646.95 is: 3,970.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,220.77 : 13,831.07 = 2,646.95 : x
  2. Step 2: Convert to fraction form
    9,220.77/13,831.07 = 2,646.95/x
  3. Step 3: Cross multiply
    9,220.77x = 13,831.07 × 2,646.95
  4. Step 4: Simplify right side
    9,220.77x = 36,610,068.35
  5. Step 5: Solve for x
    x = 36,610,068.35/9,220.77
  6. Step 6: Final answer
    x = 3,970.39

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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.