Home / 10,980.09-15,152.49-5,944.32

Finding the Fourth Proportional to 10,980.09, 15,152.49 and 5,944.32

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Solution

The fourth proportional to 10,980.09, 15,152.49 and 5,944.32 is: 8,203.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,980.09 : 15,152.49 = 5,944.32 : x
  2. Step 2: Convert to fraction form
    10,980.09/15,152.49 = 5,944.32/x
  3. Step 3: Cross multiply
    10,980.09x = 15,152.49 × 5,944.32
  4. Step 4: Simplify right side
    10,980.09x = 90,071,249.36
  5. Step 5: Solve for x
    x = 90,071,249.36/10,980.09
  6. Step 6: Final answer
    x = 8,203.14

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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.