Home / 8,908.47-13,364.07-6,461.76

Finding the Fourth Proportional to 8,908.47, 13,364.07 and 6,461.76

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Solution

The fourth proportional to 8,908.47, 13,364.07 and 6,461.76 is: 9,693.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,908.47 : 13,364.07 = 6,461.76 : x
  2. Step 2: Convert to fraction form
    8,908.47/13,364.07 = 6,461.76/x
  3. Step 3: Cross multiply
    8,908.47x = 13,364.07 × 6,461.76
  4. Step 4: Simplify right side
    8,908.47x = 86,355,412.96
  5. Step 5: Solve for x
    x = 86,355,412.96/8,908.47
  6. Step 6: Final answer
    x = 9,693.63

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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.