Home / 12,470.13-17,208.77-6,881.13

Finding the Fourth Proportional to 12,470.13, 17,208.77 and 6,881.13

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Solution

The fourth proportional to 12,470.13, 17,208.77 and 6,881.13 is: 9,495.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,470.13 : 17,208.77 = 6,881.13 : x
  2. Step 2: Convert to fraction form
    12,470.13/17,208.77 = 6,881.13/x
  3. Step 3: Cross multiply
    12,470.13x = 17,208.77 × 6,881.13
  4. Step 4: Simplify right side
    12,470.13x = 118,415,783.51
  5. Step 5: Solve for x
    x = 118,415,783.51/12,470.13
  6. Step 6: Final answer
    x = 9,495.95

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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.