Home / 10,931.23-16,393.35-3,534.16

Finding the Fourth Proportional to 10,931.23, 16,393.35 and 3,534.16

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Solution

The fourth proportional to 10,931.23, 16,393.35 and 3,534.16 is: 5,300.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,931.23 : 16,393.35 = 3,534.16 : x
  2. Step 2: Convert to fraction form
    10,931.23/16,393.35 = 3,534.16/x
  3. Step 3: Cross multiply
    10,931.23x = 16,393.35 × 3,534.16
  4. Step 4: Simplify right side
    10,931.23x = 57,936,721.84
  5. Step 5: Solve for x
    x = 57,936,721.84/10,931.23
  6. Step 6: Final answer
    x = 5,300.11

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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.