Home / 12,217.03-16,860.56-6,913.55

Finding the Fourth Proportional to 12,217.03, 16,860.56 and 6,913.55

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Solution

The fourth proportional to 12,217.03, 16,860.56 and 6,913.55 is: 9,541.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,217.03 : 16,860.56 = 6,913.55 : x
  2. Step 2: Convert to fraction form
    12,217.03/16,860.56 = 6,913.55/x
  3. Step 3: Cross multiply
    12,217.03x = 16,860.56 × 6,913.55
  4. Step 4: Simplify right side
    12,217.03x = 116,566,332.17
  5. Step 5: Solve for x
    x = 116,566,332.17/12,217.03
  6. Step 6: Final answer
    x = 9,541.30

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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.