Home / 10,404.81-14,354.61-6,627.30

Finding the Fourth Proportional to 10,404.81, 14,354.61 and 6,627.30

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Solution

The fourth proportional to 10,404.81, 14,354.61 and 6,627.30 is: 9,143.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,404.81 : 14,354.61 = 6,627.30 : x
  2. Step 2: Convert to fraction form
    10,404.81/14,354.61 = 6,627.30/x
  3. Step 3: Cross multiply
    10,404.81x = 14,354.61 × 6,627.30
  4. Step 4: Simplify right side
    10,404.81x = 95,132,306.85
  5. Step 5: Solve for x
    x = 95,132,306.85/10,404.81
  6. Step 6: Final answer
    x = 9,143.11

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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.