Home / 12,503.04-17,253.12-6,912.64

Finding the Fourth Proportional to 12,503.04, 17,253.12 and 6,912.64

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Solution

The fourth proportional to 12,503.04, 17,253.12 and 6,912.64 is: 9,538.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,503.04 : 17,253.12 = 6,912.64 : x
  2. Step 2: Convert to fraction form
    12,503.04/17,253.12 = 6,912.64/x
  3. Step 3: Cross multiply
    12,503.04x = 17,253.12 × 6,912.64
  4. Step 4: Simplify right side
    12,503.04x = 119,264,607.44
  5. Step 5: Solve for x
    x = 119,264,607.44/12,503.04
  6. Step 6: Final answer
    x = 9,538.85

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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.