Home / 9,261.27-12,779.75-5,483.76

Finding the Fourth Proportional to 9,261.27, 12,779.75 and 5,483.76

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Solution

The fourth proportional to 9,261.27, 12,779.75 and 5,483.76 is: 7,567.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,261.27 : 12,779.75 = 5,483.76 : x
  2. Step 2: Convert to fraction form
    9,261.27/12,779.75 = 5,483.76/x
  3. Step 3: Cross multiply
    9,261.27x = 12,779.75 × 5,483.76
  4. Step 4: Simplify right side
    9,261.27x = 70,081,122.08
  5. Step 5: Solve for x
    x = 70,081,122.08/9,261.27
  6. Step 6: Final answer
    x = 7,567.11

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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.