Home / 10,516.08-15,784.50-5,585.70

Finding the Fourth Proportional to 10,516.08, 15,784.50 and 5,585.70

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Solution

The fourth proportional to 10,516.08, 15,784.50 and 5,585.70 is: 8,384.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,516.08 : 15,784.50 = 5,585.70 : x
  2. Step 2: Convert to fraction form
    10,516.08/15,784.50 = 5,585.70/x
  3. Step 3: Cross multiply
    10,516.08x = 15,784.50 × 5,585.70
  4. Step 4: Simplify right side
    10,516.08x = 88,167,481.65
  5. Step 5: Solve for x
    x = 88,167,481.65/10,516.08
  6. Step 6: Final answer
    x = 8,384.06

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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.