Home / 10,019.16-13,824.54-6,291.48

Finding the Fourth Proportional to 10,019.16, 13,824.54 and 6,291.48

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Solution

The fourth proportional to 10,019.16, 13,824.54 and 6,291.48 is: 8,681.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,019.16 : 13,824.54 = 6,291.48 : x
  2. Step 2: Convert to fraction form
    10,019.16/13,824.54 = 6,291.48/x
  3. Step 3: Cross multiply
    10,019.16x = 13,824.54 × 6,291.48
  4. Step 4: Simplify right side
    10,019.16x = 86,976,816.92
  5. Step 5: Solve for x
    x = 86,976,816.92/10,019.16
  6. Step 6: Final answer
    x = 8,681.05

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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.