Home / 9,708.49-13,397.64-5,516.74

Finding the Fourth Proportional to 9,708.49, 13,397.64 and 5,516.74

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Solution

The fourth proportional to 9,708.49, 13,397.64 and 5,516.74 is: 7,613.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,708.49 : 13,397.64 = 5,516.74 : x
  2. Step 2: Convert to fraction form
    9,708.49/13,397.64 = 5,516.74/x
  3. Step 3: Cross multiply
    9,708.49x = 13,397.64 × 5,516.74
  4. Step 4: Simplify right side
    9,708.49x = 73,911,296.49
  5. Step 5: Solve for x
    x = 73,911,296.49/9,708.49
  6. Step 6: Final answer
    x = 7,613.06

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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.