Home / 11,851.07-16,342.20-10,178.01

Finding the Fourth Proportional to 11,851.07, 16,342.20 and 10,178.01

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Solution

The fourth proportional to 11,851.07, 16,342.20 and 10,178.01 is: 14,035.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,851.07 : 16,342.20 = 10,178.01 : x
  2. Step 2: Convert to fraction form
    11,851.07/16,342.20 = 10,178.01/x
  3. Step 3: Cross multiply
    11,851.07x = 16,342.20 × 10,178.01
  4. Step 4: Simplify right side
    11,851.07x = 166,331,075.02
  5. Step 5: Solve for x
    x = 166,331,075.02/11,851.07
  6. Step 6: Final answer
    x = 14,035.12

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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.