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Finding the Fourth Proportional to 10,815.03, 14,925.15 and 6,099.21

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Solution

The fourth proportional to 10,815.03, 14,925.15 and 6,099.21 is: 8,417.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,815.03 : 14,925.15 = 6,099.21 : x
  2. Step 2: Convert to fraction form
    10,815.03/14,925.15 = 6,099.21/x
  3. Step 3: Cross multiply
    10,815.03x = 14,925.15 × 6,099.21
  4. Step 4: Simplify right side
    10,815.03x = 91,031,624.13
  5. Step 5: Solve for x
    x = 91,031,624.13/10,815.03
  6. Step 6: Final answer
    x = 8,417.14

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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.