Home / 7,111.52-10,672.40-4,776.04

Finding the Fourth Proportional to 7,111.52, 10,672.40 and 4,776.04

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Solution

The fourth proportional to 7,111.52, 10,672.40 and 4,776.04 is: 7,167.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,111.52 : 10,672.40 = 4,776.04 : x
  2. Step 2: Convert to fraction form
    7,111.52/10,672.40 = 4,776.04/x
  3. Step 3: Cross multiply
    7,111.52x = 10,672.40 × 4,776.04
  4. Step 4: Simplify right side
    7,111.52x = 50,971,809.30
  5. Step 5: Solve for x
    x = 50,971,809.30/7,111.52
  6. Step 6: Final answer
    x = 7,167.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.