Home / 8,415.55-11,602.66-6,897.52

Finding the Fourth Proportional to 8,415.55, 11,602.66 and 6,897.52

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Solution

The fourth proportional to 8,415.55, 11,602.66 and 6,897.52 is: 9,509.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,415.55 : 11,602.66 = 6,897.52 : x
  2. Step 2: Convert to fraction form
    8,415.55/11,602.66 = 6,897.52/x
  3. Step 3: Cross multiply
    8,415.55x = 11,602.66 × 6,897.52
  4. Step 4: Simplify right side
    8,415.55x = 80,029,511.55
  5. Step 5: Solve for x
    x = 80,029,511.55/8,415.55
  6. Step 6: Final answer
    x = 9,509.72

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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.