Home / 9,465.10-13,061.31-5,215.33

Finding the Fourth Proportional to 9,465.10, 13,061.31 and 5,215.33

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Solution

The fourth proportional to 9,465.10, 13,061.31 and 5,215.33 is: 7,196.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,465.10 : 13,061.31 = 5,215.33 : x
  2. Step 2: Convert to fraction form
    9,465.10/13,061.31 = 5,215.33/x
  3. Step 3: Cross multiply
    9,465.10x = 13,061.31 × 5,215.33
  4. Step 4: Simplify right side
    9,465.10x = 68,119,038.65
  5. Step 5: Solve for x
    x = 68,119,038.65/9,465.10
  6. Step 6: Final answer
    x = 7,196.87

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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.