Home / 7,852.68-10,836.85-4,315.87

Finding the Fourth Proportional to 7,852.68, 10,836.85 and 4,315.87

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Solution

The fourth proportional to 7,852.68, 10,836.85 and 4,315.87 is: 5,955.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,852.68 : 10,836.85 = 4,315.87 : x
  2. Step 2: Convert to fraction form
    7,852.68/10,836.85 = 4,315.87/x
  3. Step 3: Cross multiply
    7,852.68x = 10,836.85 × 4,315.87
  4. Step 4: Simplify right side
    7,852.68x = 46,770,435.81
  5. Step 5: Solve for x
    x = 46,770,435.81/7,852.68
  6. Step 6: Final answer
    x = 5,955.98

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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.