Home / 12,051.18-16,618.95-9,397.62

Finding the Fourth Proportional to 12,051.18, 16,618.95 and 9,397.62

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Solution

The fourth proportional to 12,051.18, 16,618.95 and 9,397.62 is: 12,959.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,051.18 : 16,618.95 = 9,397.62 : x
  2. Step 2: Convert to fraction form
    12,051.18/16,618.95 = 9,397.62/x
  3. Step 3: Cross multiply
    12,051.18x = 16,618.95 × 9,397.62
  4. Step 4: Simplify right side
    12,051.18x = 156,178,529.91
  5. Step 5: Solve for x
    x = 156,178,529.91/12,051.18
  6. Step 6: Final answer
    x = 12,959.60

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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.