Home / 12,554.51-17,325.72-6,889.46

Finding the Fourth Proportional to 12,554.51, 17,325.72 and 6,889.46

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Solution

The fourth proportional to 12,554.51, 17,325.72 and 6,889.46 is: 9,507.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,554.51 : 17,325.72 = 6,889.46 : x
  2. Step 2: Convert to fraction form
    12,554.51/17,325.72 = 6,889.46/x
  3. Step 3: Cross multiply
    12,554.51x = 17,325.72 × 6,889.46
  4. Step 4: Simplify right side
    12,554.51x = 119,364,768.28
  5. Step 5: Solve for x
    x = 119,364,768.28/12,554.51
  6. Step 6: Final answer
    x = 9,507.72

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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.