Home / 9,525.33-14,285.85-3,978.78

Finding the Fourth Proportional to 9,525.33, 14,285.85 and 3,978.78

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Solution

The fourth proportional to 9,525.33, 14,285.85 and 3,978.78 is: 5,967.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,525.33 : 14,285.85 = 3,978.78 : x
  2. Step 2: Convert to fraction form
    9,525.33/14,285.85 = 3,978.78/x
  3. Step 3: Cross multiply
    9,525.33x = 14,285.85 × 3,978.78
  4. Step 4: Simplify right side
    9,525.33x = 56,840,254.26
  5. Step 5: Solve for x
    x = 56,840,254.26/9,525.33
  6. Step 6: Final answer
    x = 5,967.27

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1.5x scale

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.