Home / 10,980.29-15,152.80-5,944.51

Finding the Fourth Proportional to 10,980.29, 15,152.80 and 5,944.51

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Solution

The fourth proportional to 10,980.29, 15,152.80 and 5,944.51 is: 8,203.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,980.29 : 15,152.80 = 5,944.51 : x
  2. Step 2: Convert to fraction form
    10,980.29/15,152.80 = 5,944.51/x
  3. Step 3: Cross multiply
    10,980.29x = 15,152.80 × 5,944.51
  4. Step 4: Simplify right side
    10,980.29x = 90,075,960.46
  5. Step 5: Solve for x
    x = 90,075,960.46/10,980.29
  6. Step 6: Final answer
    x = 8,203.43

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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.