Home / 10,337.55-14,265.48-5,621.79

Finding the Fourth Proportional to 10,337.55, 14,265.48 and 5,621.79

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Solution

The fourth proportional to 10,337.55, 14,265.48 and 5,621.79 is: 7,757.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,337.55 : 14,265.48 = 5,621.79 : x
  2. Step 2: Convert to fraction form
    10,337.55/14,265.48 = 5,621.79/x
  3. Step 3: Cross multiply
    10,337.55x = 14,265.48 × 5,621.79
  4. Step 4: Simplify right side
    10,337.55x = 80,197,532.81
  5. Step 5: Solve for x
    x = 80,197,532.81/10,337.55
  6. Step 6: Final answer
    x = 7,757.89

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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.