Home / 10,461.36-14,428.68-7,106.76

Finding the Fourth Proportional to 10,461.36, 14,428.68 and 7,106.76

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Solution

The fourth proportional to 10,461.36, 14,428.68 and 7,106.76 is: 9,801.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,461.36 : 14,428.68 = 7,106.76 : x
  2. Step 2: Convert to fraction form
    10,461.36/14,428.68 = 7,106.76/x
  3. Step 3: Cross multiply
    10,461.36x = 14,428.68 × 7,106.76
  4. Step 4: Simplify right side
    10,461.36x = 102,541,165.88
  5. Step 5: Solve for x
    x = 102,541,165.88/10,461.36
  6. Step 6: Final answer
    x = 9,801.90

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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.