Home / 10,862.51-14,989.32-6,324.48

Finding the Fourth Proportional to 10,862.51, 14,989.32 and 6,324.48

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Solution

The fourth proportional to 10,862.51, 14,989.32 and 6,324.48 is: 8,727.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,862.51 : 14,989.32 = 6,324.48 : x
  2. Step 2: Convert to fraction form
    10,862.51/14,989.32 = 6,324.48/x
  3. Step 3: Cross multiply
    10,862.51x = 14,989.32 × 6,324.48
  4. Step 4: Simplify right side
    10,862.51x = 94,799,654.55
  5. Step 5: Solve for x
    x = 94,799,654.55/10,862.51
  6. Step 6: Final answer
    x = 8,727.24

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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.