Home / 8,315.98-11,466.72-6,798.82

Finding the Fourth Proportional to 8,315.98, 11,466.72 and 6,798.82

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Solution

The fourth proportional to 8,315.98, 11,466.72 and 6,798.82 is: 9,374.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,315.98 : 11,466.72 = 6,798.82 : x
  2. Step 2: Convert to fraction form
    8,315.98/11,466.72 = 6,798.82/x
  3. Step 3: Cross multiply
    8,315.98x = 11,466.72 × 6,798.82
  4. Step 4: Simplify right side
    8,315.98x = 77,960,165.27
  5. Step 5: Solve for x
    x = 77,960,165.27/8,315.98
  6. Step 6: Final answer
    x = 9,374.74

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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.