Home / 7,543.81-11,312.05-4,424.83

Finding the Fourth Proportional to 7,543.81, 11,312.05 and 4,424.83

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Solution

The fourth proportional to 7,543.81, 11,312.05 and 4,424.83 is: 6,635.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,543.81 : 11,312.05 = 4,424.83 : x
  2. Step 2: Convert to fraction form
    7,543.81/11,312.05 = 4,424.83/x
  3. Step 3: Cross multiply
    7,543.81x = 11,312.05 × 4,424.83
  4. Step 4: Simplify right side
    7,543.81x = 50,053,898.20
  5. Step 5: Solve for x
    x = 50,053,898.20/7,543.81
  6. Step 6: Final answer
    x = 6,635.10

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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.