Home / 7,848.90-10,831.56-4,312.14

Finding the Fourth Proportional to 7,848.90, 10,831.56 and 4,312.14

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Solution

The fourth proportional to 7,848.90, 10,831.56 and 4,312.14 is: 5,950.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,848.90 : 10,831.56 = 4,312.14 : x
  2. Step 2: Convert to fraction form
    7,848.90/10,831.56 = 4,312.14/x
  3. Step 3: Cross multiply
    7,848.90x = 10,831.56 × 4,312.14
  4. Step 4: Simplify right side
    7,848.90x = 46,707,203.14
  5. Step 5: Solve for x
    x = 46,707,203.14/7,848.90
  6. Step 6: Final answer
    x = 5,950.80

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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.