Home / 9,972.52-13,762.40-5,724.36

Finding the Fourth Proportional to 9,972.52, 13,762.40 and 5,724.36

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Solution

The fourth proportional to 9,972.52, 13,762.40 and 5,724.36 is: 7,899.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,972.52 : 13,762.40 = 5,724.36 : x
  2. Step 2: Convert to fraction form
    9,972.52/13,762.40 = 5,724.36/x
  3. Step 3: Cross multiply
    9,972.52x = 13,762.40 × 5,724.36
  4. Step 4: Simplify right side
    9,972.52x = 78,780,946.37
  5. Step 5: Solve for x
    x = 78,780,946.37/9,972.52
  6. Step 6: Final answer
    x = 7,899.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.