Home / 11,533.59-15,944.63-11,428.29

Finding the Fourth Proportional to 11,533.59, 15,944.63 and 11,428.29

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Solution

The fourth proportional to 11,533.59, 15,944.63 and 11,428.29 is: 15,799.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,533.59 : 15,944.63 = 11,428.29 : x
  2. Step 2: Convert to fraction form
    11,533.59/15,944.63 = 11,428.29/x
  3. Step 3: Cross multiply
    11,533.59x = 15,944.63 × 11,428.29
  4. Step 4: Simplify right side
    11,533.59x = 182,219,798.44
  5. Step 5: Solve for x
    x = 182,219,798.44/11,533.59
  6. Step 6: Final answer
    x = 15,799.05

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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.