Home / 13,077.19-18,044.26-7,410.76

Finding the Fourth Proportional to 13,077.19, 18,044.26 and 7,410.76

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Solution

The fourth proportional to 13,077.19, 18,044.26 and 7,410.76 is: 10,225.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,077.19 : 18,044.26 = 7,410.76 : x
  2. Step 2: Convert to fraction form
    13,077.19/18,044.26 = 7,410.76/x
  3. Step 3: Cross multiply
    13,077.19x = 18,044.26 × 7,410.76
  4. Step 4: Simplify right side
    13,077.19x = 133,721,680.24
  5. Step 5: Solve for x
    x = 133,721,680.24/13,077.19
  6. Step 6: Final answer
    x = 10,225.57

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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.