Home / 8,429.98-11,636.08-4,892.50

Finding the Fourth Proportional to 8,429.98, 11,636.08 and 4,892.50

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Solution

The fourth proportional to 8,429.98, 11,636.08 and 4,892.50 is: 6,753.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,429.98 : 11,636.08 = 4,892.50 : x
  2. Step 2: Convert to fraction form
    8,429.98/11,636.08 = 4,892.50/x
  3. Step 3: Cross multiply
    8,429.98x = 11,636.08 × 4,892.50
  4. Step 4: Simplify right side
    8,429.98x = 56,929,521.40
  5. Step 5: Solve for x
    x = 56,929,521.40/8,429.98
  6. Step 6: Final answer
    x = 6,753.22

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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.