Home / 7,848.14-10,831.47-5,061.74

Finding the Fourth Proportional to 7,848.14, 10,831.47 and 5,061.74

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Solution

The fourth proportional to 7,848.14, 10,831.47 and 5,061.74 is: 6,985.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,848.14 : 10,831.47 = 5,061.74 : x
  2. Step 2: Convert to fraction form
    7,848.14/10,831.47 = 5,061.74/x
  3. Step 3: Cross multiply
    7,848.14x = 10,831.47 × 5,061.74
  4. Step 4: Simplify right side
    7,848.14x = 54,826,084.96
  5. Step 5: Solve for x
    x = 54,826,084.96/7,848.14
  6. Step 6: Final answer
    x = 6,985.87

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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.