Home / 7,888.31-10,885.69-4,351.52

Finding the Fourth Proportional to 7,888.31, 10,885.69 and 4,351.52

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Solution

The fourth proportional to 7,888.31, 10,885.69 and 4,351.52 is: 6,005.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,888.31 : 10,885.69 = 4,351.52 : x
  2. Step 2: Convert to fraction form
    7,888.31/10,885.69 = 4,351.52/x
  3. Step 3: Cross multiply
    7,888.31x = 10,885.69 × 4,351.52
  4. Step 4: Simplify right side
    7,888.31x = 47,369,232.44
  5. Step 5: Solve for x
    x = 47,369,232.44/7,888.31
  6. Step 6: Final answer
    x = 6,005.00

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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.