Home / 7,888.94-10,885.23-4,745.33

Finding the Fourth Proportional to 7,888.94, 10,885.23 and 4,745.33

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Solution

The fourth proportional to 7,888.94, 10,885.23 and 4,745.33 is: 6,547.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,888.94 : 10,885.23 = 4,745.33 : x
  2. Step 2: Convert to fraction form
    7,888.94/10,885.23 = 4,745.33/x
  3. Step 3: Cross multiply
    7,888.94x = 10,885.23 × 4,745.33
  4. Step 4: Simplify right side
    7,888.94x = 51,653,984.75
  5. Step 5: Solve for x
    x = 51,653,984.75/7,888.94
  6. Step 6: Final answer
    x = 6,547.65

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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.