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Finding the Fourth Proportional to 8,483.70, 11,707.64 and 5,126.06

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Solution

The fourth proportional to 8,483.70, 11,707.64 and 5,126.06 is: 7,074.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,483.70 : 11,707.64 = 5,126.06 : x
  2. Step 2: Convert to fraction form
    8,483.70/11,707.64 = 5,126.06/x
  3. Step 3: Cross multiply
    8,483.70x = 11,707.64 × 5,126.06
  4. Step 4: Simplify right side
    8,483.70x = 60,013,980.93
  5. Step 5: Solve for x
    x = 60,013,980.93/8,483.70
  6. Step 6: Final answer
    x = 7,074.03

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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.