Home / 12,430.19-17,153.69-6,841.19

Finding the Fourth Proportional to 12,430.19, 17,153.69 and 6,841.19

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Solution

The fourth proportional to 12,430.19, 17,153.69 and 6,841.19 is: 9,440.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,430.19 : 17,153.69 = 6,841.19 : x
  2. Step 2: Convert to fraction form
    12,430.19/17,153.69 = 6,841.19/x
  3. Step 3: Cross multiply
    12,430.19x = 17,153.69 × 6,841.19
  4. Step 4: Simplify right side
    12,430.19x = 117,351,652.49
  5. Step 5: Solve for x
    x = 117,351,652.49/12,430.19
  6. Step 6: Final answer
    x = 9,440.86

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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.