Home / 10,820.40-14,932.10-6,040.07

Finding the Fourth Proportional to 10,820.40, 14,932.10 and 6,040.07

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Solution

The fourth proportional to 10,820.40, 14,932.10 and 6,040.07 is: 8,335.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,820.40 : 14,932.10 = 6,040.07 : x
  2. Step 2: Convert to fraction form
    10,820.40/14,932.10 = 6,040.07/x
  3. Step 3: Cross multiply
    10,820.40x = 14,932.10 × 6,040.07
  4. Step 4: Simplify right side
    10,820.40x = 90,190,824.39
  5. Step 5: Solve for x
    x = 90,190,824.39/10,820.40
  6. Step 6: Final answer
    x = 8,335.26

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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.