Home / 9,790.76-13,511.27-5,314.51

Finding the Fourth Proportional to 9,790.76, 13,511.27 and 5,314.51

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Solution

The fourth proportional to 9,790.76, 13,511.27 and 5,314.51 is: 7,334.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,790.76 : 13,511.27 = 5,314.51 : x
  2. Step 2: Convert to fraction form
    9,790.76/13,511.27 = 5,314.51/x
  3. Step 3: Cross multiply
    9,790.76x = 13,511.27 × 5,314.51
  4. Step 4: Simplify right side
    9,790.76x = 71,805,779.53
  5. Step 5: Solve for x
    x = 71,805,779.53/9,790.76
  6. Step 6: Final answer
    x = 7,334.04

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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.