Home / 12,553.19-17,323.81-6,888.41

Finding the Fourth Proportional to 12,553.19, 17,323.81 and 6,888.41

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Solution

The fourth proportional to 12,553.19, 17,323.81 and 6,888.41 is: 9,506.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,553.19 : 17,323.81 = 6,888.41 : x
  2. Step 2: Convert to fraction form
    12,553.19/17,323.81 = 6,888.41/x
  3. Step 3: Cross multiply
    12,553.19x = 17,323.81 × 6,888.41
  4. Step 4: Simplify right side
    12,553.19x = 119,333,506.04
  5. Step 5: Solve for x
    x = 119,333,506.04/12,553.19
  6. Step 6: Final answer
    x = 9,506.23

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Half scale
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Double scale
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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.