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Finding the Fourth Proportional to 10,095.80, 15,114.90 and 6,207.80

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Solution

The fourth proportional to 10,095.80, 15,114.90 and 6,207.80 is: 9,293.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,095.80 : 15,114.90 = 6,207.80 : x
  2. Step 2: Convert to fraction form
    10,095.80/15,114.90 = 6,207.80/x
  3. Step 3: Cross multiply
    10,095.80x = 15,114.90 × 6,207.80
  4. Step 4: Simplify right side
    10,095.80x = 93,830,276.22
  5. Step 5: Solve for x
    x = 93,830,276.22/10,095.80
  6. Step 6: Final answer
    x = 9,293.99

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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.