Home / 10,349.10-15,523.65-9,863.10

Finding the Fourth Proportional to 10,349.10, 15,523.65 and 9,863.10

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Solution

The fourth proportional to 10,349.10, 15,523.65 and 9,863.10 is: 14,794.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,349.10 : 15,523.65 = 9,863.10 : x
  2. Step 2: Convert to fraction form
    10,349.10/15,523.65 = 9,863.10/x
  3. Step 3: Cross multiply
    10,349.10x = 15,523.65 × 9,863.10
  4. Step 4: Simplify right side
    10,349.10x = 153,111,312.32
  5. Step 5: Solve for x
    x = 153,111,312.32/10,349.10
  6. Step 6: Final answer
    x = 14,794.65

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Half scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.