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Finding the Fourth Proportional to 9,076.06, 13,602.14 and 8,484.15

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Solution

The fourth proportional to 9,076.06, 13,602.14 and 8,484.15 is: 12,715.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,076.06 : 13,602.14 = 8,484.15 : x
  2. Step 2: Convert to fraction form
    9,076.06/13,602.14 = 8,484.15/x
  3. Step 3: Cross multiply
    9,076.06x = 13,602.14 × 8,484.15
  4. Step 4: Simplify right side
    9,076.06x = 115,402,596.08
  5. Step 5: Solve for x
    x = 115,402,596.08/9,076.06
  6. Step 6: Final answer
    x = 12,715.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.