Home / 9,440.12-14,153.96-5,280.56

Finding the Fourth Proportional to 9,440.12, 14,153.96 and 5,280.56

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Solution

The fourth proportional to 9,440.12, 14,153.96 and 5,280.56 is: 7,917.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,440.12 : 14,153.96 = 5,280.56 : x
  2. Step 2: Convert to fraction form
    9,440.12/14,153.96 = 5,280.56/x
  3. Step 3: Cross multiply
    9,440.12x = 14,153.96 × 5,280.56
  4. Step 4: Simplify right side
    9,440.12x = 74,740,835.02
  5. Step 5: Solve for x
    x = 74,740,835.02/9,440.12
  6. Step 6: Final answer
    x = 7,917.36

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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.