Home / 8,470.04-11,688.75-5,112.23

Finding the Fourth Proportional to 8,470.04, 11,688.75 and 5,112.23

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Solution

The fourth proportional to 8,470.04, 11,688.75 and 5,112.23 is: 7,054.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,470.04 : 11,688.75 = 5,112.23 : x
  2. Step 2: Convert to fraction form
    8,470.04/11,688.75 = 5,112.23/x
  3. Step 3: Cross multiply
    8,470.04x = 11,688.75 × 5,112.23
  4. Step 4: Simplify right side
    8,470.04x = 59,755,519.97
  5. Step 5: Solve for x
    x = 59,755,519.97/8,470.04
  6. Step 6: Final answer
    x = 7,054.93

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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.