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Finding the Fourth Proportional to 10,880.63, 15,014.13 and 6,404.11

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Solution

The fourth proportional to 10,880.63, 15,014.13 and 6,404.11 is: 8,837.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,880.63 : 15,014.13 = 6,404.11 : x
  2. Step 2: Convert to fraction form
    10,880.63/15,014.13 = 6,404.11/x
  3. Step 3: Cross multiply
    10,880.63x = 15,014.13 × 6,404.11
  4. Step 4: Simplify right side
    10,880.63x = 96,152,140.07
  5. Step 5: Solve for x
    x = 96,152,140.07/10,880.63
  6. Step 6: Final answer
    x = 8,837.00

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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.