Home / 10,515.50-14,511.60-6,795.98

Finding the Fourth Proportional to 10,515.50, 14,511.60 and 6,795.98

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Solution

The fourth proportional to 10,515.50, 14,511.60 and 6,795.98 is: 9,378.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,515.50 : 14,511.60 = 6,795.98 : x
  2. Step 2: Convert to fraction form
    10,515.50/14,511.60 = 6,795.98/x
  3. Step 3: Cross multiply
    10,515.50x = 14,511.60 × 6,795.98
  4. Step 4: Simplify right side
    10,515.50x = 98,620,543.37
  5. Step 5: Solve for x
    x = 98,620,543.37/10,515.50
  6. Step 6: Final answer
    x = 9,378.59

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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.