Home / 10,954.04-15,117.03-6,480.41

Finding the Fourth Proportional to 10,954.04, 15,117.03 and 6,480.41

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Solution

The fourth proportional to 10,954.04, 15,117.03 and 6,480.41 is: 8,943.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,954.04 : 15,117.03 = 6,480.41 : x
  2. Step 2: Convert to fraction form
    10,954.04/15,117.03 = 6,480.41/x
  3. Step 3: Cross multiply
    10,954.04x = 15,117.03 × 6,480.41
  4. Step 4: Simplify right side
    10,954.04x = 97,964,476.80
  5. Step 5: Solve for x
    x = 97,964,476.80/10,954.04
  6. Step 6: Final answer
    x = 8,943.23

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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.