Home / 7,443.68-10,239.62-6,225.81

Finding the Fourth Proportional to 7,443.68, 10,239.62 and 6,225.81

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Solution

The fourth proportional to 7,443.68, 10,239.62 and 6,225.81 is: 8,564.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,443.68 : 10,239.62 = 6,225.81 : x
  2. Step 2: Convert to fraction form
    7,443.68/10,239.62 = 6,225.81/x
  3. Step 3: Cross multiply
    7,443.68x = 10,239.62 × 6,225.81
  4. Step 4: Simplify right side
    7,443.68x = 63,749,897.46
  5. Step 5: Solve for x
    x = 63,749,897.46/7,443.68
  6. Step 6: Final answer
    x = 8,564.30

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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.