Home / 7,762.83-10,712.73-4,226.06

Finding the Fourth Proportional to 7,762.83, 10,712.73 and 4,226.06

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Solution

The fourth proportional to 7,762.83, 10,712.73 and 4,226.06 is: 5,831.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,762.83 : 10,712.73 = 4,226.06 : x
  2. Step 2: Convert to fraction form
    7,762.83/10,712.73 = 4,226.06/x
  3. Step 3: Cross multiply
    7,762.83x = 10,712.73 × 4,226.06
  4. Step 4: Simplify right side
    7,762.83x = 45,272,666.53
  5. Step 5: Solve for x
    x = 45,272,666.53/7,762.83
  6. Step 6: Final answer
    x = 5,831.98

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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.