Home / 7,334.36-10,123.28-4,192.40

Finding the Fourth Proportional to 7,334.36, 10,123.28 and 4,192.40

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Solution

The fourth proportional to 7,334.36, 10,123.28 and 4,192.40 is: 5,786.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,334.36 : 10,123.28 = 4,192.40 : x
  2. Step 2: Convert to fraction form
    7,334.36/10,123.28 = 4,192.40/x
  3. Step 3: Cross multiply
    7,334.36x = 10,123.28 × 4,192.40
  4. Step 4: Simplify right side
    7,334.36x = 42,440,839.07
  5. Step 5: Solve for x
    x = 42,440,839.07/7,334.36
  6. Step 6: Final answer
    x = 5,786.58

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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.