Home / 10,977.48-15,148.80-5,941.58

Finding the Fourth Proportional to 10,977.48, 15,148.80 and 5,941.58

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Solution

The fourth proportional to 10,977.48, 15,148.80 and 5,941.58 is: 8,199.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,977.48 : 15,148.80 = 5,941.58 : x
  2. Step 2: Convert to fraction form
    10,977.48/15,148.80 = 5,941.58/x
  3. Step 3: Cross multiply
    10,977.48x = 15,148.80 × 5,941.58
  4. Step 4: Simplify right side
    10,977.48x = 90,007,731.36
  5. Step 5: Solve for x
    x = 90,007,731.36/10,977.48
  6. Step 6: Final answer
    x = 8,199.31

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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.