Home / 9,269.74-12,795.36-5,635.76

Finding the Fourth Proportional to 9,269.74, 12,795.36 and 5,635.76

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Solution

The fourth proportional to 9,269.74, 12,795.36 and 5,635.76 is: 7,779.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,269.74 : 12,795.36 = 5,635.76 : x
  2. Step 2: Convert to fraction form
    9,269.74/12,795.36 = 5,635.76/x
  3. Step 3: Cross multiply
    9,269.74x = 12,795.36 × 5,635.76
  4. Step 4: Simplify right side
    9,269.74x = 72,111,578.07
  5. Step 5: Solve for x
    x = 72,111,578.07/9,269.74
  6. Step 6: Final answer
    x = 7,779.24

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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.