Home / 12,372.42-17,068.95-8,598.63

Finding the Fourth Proportional to 12,372.42, 17,068.95 and 8,598.63

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Solution

The fourth proportional to 12,372.42, 17,068.95 and 8,598.63 is: 11,862.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,372.42 : 17,068.95 = 8,598.63 : x
  2. Step 2: Convert to fraction form
    12,372.42/17,068.95 = 8,598.63/x
  3. Step 3: Cross multiply
    12,372.42x = 17,068.95 × 8,598.63
  4. Step 4: Simplify right side
    12,372.42x = 146,769,585.54
  5. Step 5: Solve for x
    x = 146,769,585.54/12,372.42
  6. Step 6: Final answer
    x = 11,862.64

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Double scale
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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.