Home / 9,148.23-12,633.51-7,814.16

Finding the Fourth Proportional to 9,148.23, 12,633.51 and 7,814.16

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Solution

The fourth proportional to 9,148.23, 12,633.51 and 7,814.16 is: 10,791.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,148.23 : 12,633.51 = 7,814.16 : x
  2. Step 2: Convert to fraction form
    9,148.23/12,633.51 = 7,814.16/x
  3. Step 3: Cross multiply
    9,148.23x = 12,633.51 × 7,814.16
  4. Step 4: Simplify right side
    9,148.23x = 98,720,268.50
  5. Step 5: Solve for x
    x = 98,720,268.50/9,148.23
  6. Step 6: Final answer
    x = 10,791.19

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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.