Home / 7,047.12-10,569.36-2,886.24

Finding the Fourth Proportional to 7,047.12, 10,569.36 and 2,886.24

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Solution

The fourth proportional to 7,047.12, 10,569.36 and 2,886.24 is: 4,328.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,047.12 : 10,569.36 = 2,886.24 : x
  2. Step 2: Convert to fraction form
    7,047.12/10,569.36 = 2,886.24/x
  3. Step 3: Cross multiply
    7,047.12x = 10,569.36 × 2,886.24
  4. Step 4: Simplify right side
    7,047.12x = 30,505,709.61
  5. Step 5: Solve for x
    x = 30,505,709.61/7,047.12
  6. Step 6: Final answer
    x = 4,328.82

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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.