Home / 7,848.84-10,831.38-4,312.02

Finding the Fourth Proportional to 7,848.84, 10,831.38 and 4,312.02

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Solution

The fourth proportional to 7,848.84, 10,831.38 and 4,312.02 is: 5,950.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,848.84 : 10,831.38 = 4,312.02 : x
  2. Step 2: Convert to fraction form
    7,848.84/10,831.38 = 4,312.02/x
  3. Step 3: Cross multiply
    7,848.84x = 10,831.38 × 4,312.02
  4. Step 4: Simplify right side
    7,848.84x = 46,705,127.19
  5. Step 5: Solve for x
    x = 46,705,127.19/7,848.84
  6. Step 6: Final answer
    x = 5,950.58

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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.