Home / 8,423.35-11,623.95-4,646.68

Finding the Fourth Proportional to 8,423.35, 11,623.95 and 4,646.68

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Solution

The fourth proportional to 8,423.35, 11,623.95 and 4,646.68 is: 6,412.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,423.35 : 11,623.95 = 4,646.68 : x
  2. Step 2: Convert to fraction form
    8,423.35/11,623.95 = 4,646.68/x
  3. Step 3: Cross multiply
    8,423.35x = 11,623.95 × 4,646.68
  4. Step 4: Simplify right side
    8,423.35x = 54,012,775.99
  5. Step 5: Solve for x
    x = 54,012,775.99/8,423.35
  6. Step 6: Final answer
    x = 6,412.27

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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.