Home / 8,417.81-11,615.92-4,881.26

Finding the Fourth Proportional to 8,417.81, 11,615.92 and 4,881.26

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Solution

The fourth proportional to 8,417.81, 11,615.92 and 4,881.26 is: 6,735.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,417.81 : 11,615.92 = 4,881.26 : x
  2. Step 2: Convert to fraction form
    8,417.81/11,615.92 = 4,881.26/x
  3. Step 3: Cross multiply
    8,417.81x = 11,615.92 × 4,881.26
  4. Step 4: Simplify right side
    8,417.81x = 56,700,342.50
  5. Step 5: Solve for x
    x = 56,700,342.50/8,417.81
  6. Step 6: Final answer
    x = 6,735.76

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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.