Home / 11,657.28-16,075.62-9,135.48

Finding the Fourth Proportional to 11,657.28, 16,075.62 and 9,135.48

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Solution

The fourth proportional to 11,657.28, 16,075.62 and 9,135.48 is: 12,598.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,657.28 : 16,075.62 = 9,135.48 : x
  2. Step 2: Convert to fraction form
    11,657.28/16,075.62 = 9,135.48/x
  3. Step 3: Cross multiply
    11,657.28x = 16,075.62 × 9,135.48
  4. Step 4: Simplify right side
    11,657.28x = 146,858,505.00
  5. Step 5: Solve for x
    x = 146,858,505.00/11,657.28
  6. Step 6: Final answer
    x = 12,598.01

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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.