Home / 10,543.80-15,815.70-9,596.10

Finding the Fourth Proportional to 10,543.80, 15,815.70 and 9,596.10

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Solution

The fourth proportional to 10,543.80, 15,815.70 and 9,596.10 is: 14,394.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,543.80 : 15,815.70 = 9,596.10 : x
  2. Step 2: Convert to fraction form
    10,543.80/15,815.70 = 9,596.10/x
  3. Step 3: Cross multiply
    10,543.80x = 15,815.70 × 9,596.10
  4. Step 4: Simplify right side
    10,543.80x = 151,769,038.77
  5. Step 5: Solve for x
    x = 151,769,038.77/10,543.80
  6. Step 6: Final answer
    x = 14,394.15

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Double 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.