Home / 7,849.23-10,831.47-4,312.35

Finding the Fourth Proportional to 7,849.23, 10,831.47 and 4,312.35

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Solution

The fourth proportional to 7,849.23, 10,831.47 and 4,312.35 is: 5,950.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,849.23 : 10,831.47 = 4,312.35 : x
  2. Step 2: Convert to fraction form
    7,849.23/10,831.47 = 4,312.35/x
  3. Step 3: Cross multiply
    7,849.23x = 10,831.47 × 4,312.35
  4. Step 4: Simplify right side
    7,849.23x = 46,709,089.65
  5. Step 5: Solve for x
    x = 46,709,089.65/7,849.23
  6. Step 6: Final answer
    x = 5,950.79

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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.