Home / 10,458.75-15,690.56-3,533.25

Finding the Fourth Proportional to 10,458.75, 15,690.56 and 3,533.25

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Solution

The fourth proportional to 10,458.75, 15,690.56 and 3,533.25 is: 5,300.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,458.75 : 15,690.56 = 3,533.25 : x
  2. Step 2: Convert to fraction form
    10,458.75/15,690.56 = 3,533.25/x
  3. Step 3: Cross multiply
    10,458.75x = 15,690.56 × 3,533.25
  4. Step 4: Simplify right side
    10,458.75x = 55,438,653.45
  5. Step 5: Solve for x
    x = 55,438,653.45/10,458.75
  6. Step 6: Final answer
    x = 5,300.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.