Home / 12,553.34-17,323.59-6,888.12

Finding the Fourth Proportional to 12,553.34, 17,323.59 and 6,888.12

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Solution

The fourth proportional to 12,553.34, 17,323.59 and 6,888.12 is: 9,505.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,553.34 : 17,323.59 = 6,888.12 : x
  2. Step 2: Convert to fraction form
    12,553.34/17,323.59 = 6,888.12/x
  3. Step 3: Cross multiply
    12,553.34x = 17,323.59 × 6,888.12
  4. Step 4: Simplify right side
    12,553.34x = 119,326,880.13
  5. Step 5: Solve for x
    x = 119,326,880.13/12,553.34
  6. Step 6: Final answer
    x = 9,505.59

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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.