Home / 11,210.81-15,470.55-6,673.47

Finding the Fourth Proportional to 11,210.81, 15,470.55 and 6,673.47

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Solution

The fourth proportional to 11,210.81, 15,470.55 and 6,673.47 is: 9,209.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,210.81 : 15,470.55 = 6,673.47 : x
  2. Step 2: Convert to fraction form
    11,210.81/15,470.55 = 6,673.47/x
  3. Step 3: Cross multiply
    11,210.81x = 15,470.55 × 6,673.47
  4. Step 4: Simplify right side
    11,210.81x = 103,242,251.31
  5. Step 5: Solve for x
    x = 103,242,251.31/11,210.81
  6. Step 6: Final answer
    x = 9,209.17

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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.