Home / 10,506.75-15,762.93-3,933.60

Finding the Fourth Proportional to 10,506.75, 15,762.93 and 3,933.60

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Solution

The fourth proportional to 10,506.75, 15,762.93 and 3,933.60 is: 5,901.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,506.75 : 15,762.93 = 3,933.60 : x
  2. Step 2: Convert to fraction form
    10,506.75/15,762.93 = 3,933.60/x
  3. Step 3: Cross multiply
    10,506.75x = 15,762.93 × 3,933.60
  4. Step 4: Simplify right side
    10,506.75x = 62,005,061.45
  5. Step 5: Solve for x
    x = 62,005,061.45/10,506.75
  6. Step 6: Final answer
    x = 5,901.45

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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.