Home / 12,643.58-17,454.70-9,236.77

Finding the Fourth Proportional to 12,643.58, 17,454.70 and 9,236.77

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Solution

The fourth proportional to 12,643.58, 17,454.70 and 9,236.77 is: 12,751.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,643.58 : 17,454.70 = 9,236.77 : x
  2. Step 2: Convert to fraction form
    12,643.58/17,454.70 = 9,236.77/x
  3. Step 3: Cross multiply
    12,643.58x = 17,454.70 × 9,236.77
  4. Step 4: Simplify right side
    12,643.58x = 161,225,017.23
  5. Step 5: Solve for x
    x = 161,225,017.23/12,643.58
  6. Step 6: Final answer
    x = 12,751.53

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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.