Home / 10,985.23-15,159.43-5,949.41

Finding the Fourth Proportional to 10,985.23, 15,159.43 and 5,949.41

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Solution

The fourth proportional to 10,985.23, 15,159.43 and 5,949.41 is: 8,210.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,985.23 : 15,159.43 = 5,949.41 : x
  2. Step 2: Convert to fraction form
    10,985.23/15,159.43 = 5,949.41/x
  3. Step 3: Cross multiply
    10,985.23x = 15,159.43 × 5,949.41
  4. Step 4: Simplify right side
    10,985.23x = 90,189,611.66
  5. Step 5: Solve for x
    x = 90,189,611.66/10,985.23
  6. Step 6: Final answer
    x = 8,210.08

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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.