Home / 7,851.84-10,835.49-4,315.24

Finding the Fourth Proportional to 7,851.84, 10,835.49 and 4,315.24

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Solution

The fourth proportional to 7,851.84, 10,835.49 and 4,315.24 is: 5,955.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,851.84 : 10,835.49 = 4,315.24 : x
  2. Step 2: Convert to fraction form
    7,851.84/10,835.49 = 4,315.24/x
  3. Step 3: Cross multiply
    7,851.84x = 10,835.49 × 4,315.24
  4. Step 4: Simplify right side
    7,851.84x = 46,757,739.87
  5. Step 5: Solve for x
    x = 46,757,739.87/7,851.84
  6. Step 6: Final answer
    x = 5,955.00

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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.