Home / 10,392.02-14,340.78-5,915.68

Finding the Fourth Proportional to 10,392.02, 14,340.78 and 5,915.68

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Solution

The fourth proportional to 10,392.02, 14,340.78 and 5,915.68 is: 8,163.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,392.02 : 14,340.78 = 5,915.68 : x
  2. Step 2: Convert to fraction form
    10,392.02/14,340.78 = 5,915.68/x
  3. Step 3: Cross multiply
    10,392.02x = 14,340.78 × 5,915.68
  4. Step 4: Simplify right side
    10,392.02x = 84,835,393.73
  5. Step 5: Solve for x
    x = 84,835,393.73/10,392.02
  6. Step 6: Final answer
    x = 8,163.51

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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.