Home / 10,572.36-15,865.80-4,735.48

Finding the Fourth Proportional to 10,572.36, 15,865.80 and 4,735.48

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Solution

The fourth proportional to 10,572.36, 15,865.80 and 4,735.48 is: 7,106.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,572.36 : 15,865.80 = 4,735.48 : x
  2. Step 2: Convert to fraction form
    10,572.36/15,865.80 = 4,735.48/x
  3. Step 3: Cross multiply
    10,572.36x = 15,865.80 × 4,735.48
  4. Step 4: Simplify right side
    10,572.36x = 75,132,178.58
  5. Step 5: Solve for x
    x = 75,132,178.58/10,572.36
  6. Step 6: Final answer
    x = 7,106.47

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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.