Home / 9,516.12-13,131.21-5,537.40

Finding the Fourth Proportional to 9,516.12, 13,131.21 and 5,537.40

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Solution

The fourth proportional to 9,516.12, 13,131.21 and 5,537.40 is: 7,641.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,516.12 : 13,131.21 = 5,537.40 : x
  2. Step 2: Convert to fraction form
    9,516.12/13,131.21 = 5,537.40/x
  3. Step 3: Cross multiply
    9,516.12x = 13,131.21 × 5,537.40
  4. Step 4: Simplify right side
    9,516.12x = 72,712,762.25
  5. Step 5: Solve for x
    x = 72,712,762.25/9,516.12
  6. Step 6: Final answer
    x = 7,641.01

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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.