Home / 9,867.28-13,615.95-5,675.26

Finding the Fourth Proportional to 9,867.28, 13,615.95 and 5,675.26

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Solution

The fourth proportional to 9,867.28, 13,615.95 and 5,675.26 is: 7,831.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,867.28 : 13,615.95 = 5,675.26 : x
  2. Step 2: Convert to fraction form
    9,867.28/13,615.95 = 5,675.26/x
  3. Step 3: Cross multiply
    9,867.28x = 13,615.95 × 5,675.26
  4. Step 4: Simplify right side
    9,867.28x = 77,274,056.40
  5. Step 5: Solve for x
    x = 77,274,056.40/9,867.28
  6. Step 6: Final answer
    x = 7,831.34

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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.