Home / 10,897.14-15,038.13-6,181.45

Finding the Fourth Proportional to 10,897.14, 15,038.13 and 6,181.45

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Solution

The fourth proportional to 10,897.14, 15,038.13 and 6,181.45 is: 8,530.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,897.14 : 15,038.13 = 6,181.45 : x
  2. Step 2: Convert to fraction form
    10,897.14/15,038.13 = 6,181.45/x
  3. Step 3: Cross multiply
    10,897.14x = 15,038.13 × 6,181.45
  4. Step 4: Simplify right side
    10,897.14x = 92,957,448.69
  5. Step 5: Solve for x
    x = 92,957,448.69/10,897.14
  6. Step 6: Final answer
    x = 8,530.44

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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.