Home / 8,315.63-11,475.58-4,589.63

Finding the Fourth Proportional to 8,315.63, 11,475.58 and 4,589.63

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Solution

The fourth proportional to 8,315.63, 11,475.58 and 4,589.63 is: 6,333.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,315.63 : 11,475.58 = 4,589.63 : x
  2. Step 2: Convert to fraction form
    8,315.63/11,475.58 = 4,589.63/x
  3. Step 3: Cross multiply
    8,315.63x = 11,475.58 × 4,589.63
  4. Step 4: Simplify right side
    8,315.63x = 52,668,597.38
  5. Step 5: Solve for x
    x = 52,668,597.38/8,315.63
  6. Step 6: Final answer
    x = 6,333.69

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Half scale
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Double scale
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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.