Home / 7,717.50-11,576.24-1,874.10

Finding the Fourth Proportional to 7,717.50, 11,576.24 and 1,874.10

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Solution

The fourth proportional to 7,717.50, 11,576.24 and 1,874.10 is: 2,811.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,717.50 : 11,576.24 = 1,874.10 : x
  2. Step 2: Convert to fraction form
    7,717.50/11,576.24 = 1,874.10/x
  3. Step 3: Cross multiply
    7,717.50x = 11,576.24 × 1,874.10
  4. Step 4: Simplify right side
    7,717.50x = 21,695,031.38
  5. Step 5: Solve for x
    x = 21,695,031.38/7,717.50
  6. Step 6: Final answer
    x = 2,811.15

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Half scale
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Double scale
Find fourth proportional to 7,718.50, 11,577.74 and 1,875.10
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.