Home / 6,898.16-9,516.08-4,101.68

Finding the Fourth Proportional to 6,898.16, 9,516.08 and 4,101.68

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Solution

The fourth proportional to 6,898.16, 9,516.08 and 4,101.68 is: 5,658.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,898.16 : 9,516.08 = 4,101.68 : x
  2. Step 2: Convert to fraction form
    6,898.16/9,516.08 = 4,101.68/x
  3. Step 3: Cross multiply
    6,898.16x = 9,516.08 × 4,101.68
  4. Step 4: Simplify right side
    6,898.16x = 39,031,915.01
  5. Step 5: Solve for x
    x = 39,031,915.01/6,898.16
  6. Step 6: Final answer
    x = 5,658.31

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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.