Home / 10,511.42-14,506.49-6,424.98

Finding the Fourth Proportional to 10,511.42, 14,506.49 and 6,424.98

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Solution

The fourth proportional to 10,511.42, 14,506.49 and 6,424.98 is: 8,866.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,511.42 : 14,506.49 = 6,424.98 : x
  2. Step 2: Convert to fraction form
    10,511.42/14,506.49 = 6,424.98/x
  3. Step 3: Cross multiply
    10,511.42x = 14,506.49 × 6,424.98
  4. Step 4: Simplify right side
    10,511.42x = 93,203,876.00
  5. Step 5: Solve for x
    x = 93,203,876.00/10,511.42
  6. Step 6: Final answer
    x = 8,866.91

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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.