Home / 12,554.74-17,325.49-6,889.58

Finding the Fourth Proportional to 12,554.74, 17,325.49 and 6,889.58

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Solution

The fourth proportional to 12,554.74, 17,325.49 and 6,889.58 is: 9,507.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,554.74 : 17,325.49 = 6,889.58 : x
  2. Step 2: Convert to fraction form
    12,554.74/17,325.49 = 6,889.58/x
  3. Step 3: Cross multiply
    12,554.74x = 17,325.49 × 6,889.58
  4. Step 4: Simplify right side
    12,554.74x = 119,365,271.63
  5. Step 5: Solve for x
    x = 119,365,271.63/12,554.74
  6. Step 6: Final answer
    x = 9,507.59

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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.