Home / 10,977.04-15,148.21-5,941.16

Finding the Fourth Proportional to 10,977.04, 15,148.21 and 5,941.16

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Solution

The fourth proportional to 10,977.04, 15,148.21 and 5,941.16 is: 8,198.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,977.04 : 15,148.21 = 5,941.16 : x
  2. Step 2: Convert to fraction form
    10,977.04/15,148.21 = 5,941.16/x
  3. Step 3: Cross multiply
    10,977.04x = 15,148.21 × 5,941.16
  4. Step 4: Simplify right side
    10,977.04x = 89,997,939.32
  5. Step 5: Solve for x
    x = 89,997,939.32/10,977.04
  6. Step 6: Final answer
    x = 8,198.74

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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.