Home / 9,882.16-13,637.63-5,406.10

Finding the Fourth Proportional to 9,882.16, 13,637.63 and 5,406.10

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Solution

The fourth proportional to 9,882.16, 13,637.63 and 5,406.10 is: 7,460.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,882.16 : 13,637.63 = 5,406.10 : x
  2. Step 2: Convert to fraction form
    9,882.16/13,637.63 = 5,406.10/x
  3. Step 3: Cross multiply
    9,882.16x = 13,637.63 × 5,406.10
  4. Step 4: Simplify right side
    9,882.16x = 73,726,370.96
  5. Step 5: Solve for x
    x = 73,726,370.96/9,882.16
  6. Step 6: Final answer
    x = 7,460.55

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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.