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Finding the Fourth Proportional to 8,604.48, 11,881.14 and 7,011.34

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Solution

The fourth proportional to 8,604.48, 11,881.14 and 7,011.34 is: 9,681.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,604.48 : 11,881.14 = 7,011.34 : x
  2. Step 2: Convert to fraction form
    8,604.48/11,881.14 = 7,011.34/x
  3. Step 3: Cross multiply
    8,604.48x = 11,881.14 × 7,011.34
  4. Step 4: Simplify right side
    8,604.48x = 83,302,712.13
  5. Step 5: Solve for x
    x = 83,302,712.13/8,604.48
  6. Step 6: Final answer
    x = 9,681.32

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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.