Home / 9,392.48-12,963.22-5,415.92

Finding the Fourth Proportional to 9,392.48, 12,963.22 and 5,415.92

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Solution

The fourth proportional to 9,392.48, 12,963.22 and 5,415.92 is: 7,474.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,392.48 : 12,963.22 = 5,415.92 : x
  2. Step 2: Convert to fraction form
    9,392.48/12,963.22 = 5,415.92/x
  3. Step 3: Cross multiply
    9,392.48x = 12,963.22 × 5,415.92
  4. Step 4: Simplify right side
    9,392.48x = 70,207,762.46
  5. Step 5: Solve for x
    x = 70,207,762.46/9,392.48
  6. Step 6: Final answer
    x = 7,474.89

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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.