Home / 8,424.74-11,630.08-4,887.27

Finding the Fourth Proportional to 8,424.74, 11,630.08 and 4,887.27

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Solution

The fourth proportional to 8,424.74, 11,630.08 and 4,887.27 is: 6,746.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,424.74 : 11,630.08 = 4,887.27 : x
  2. Step 2: Convert to fraction form
    8,424.74/11,630.08 = 4,887.27/x
  3. Step 3: Cross multiply
    8,424.74x = 11,630.08 × 4,887.27
  4. Step 4: Simplify right side
    8,424.74x = 56,839,347.19
  5. Step 5: Solve for x
    x = 56,839,347.19/8,424.74
  6. Step 6: Final answer
    x = 6,746.72

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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.