Home / 10,258.46-14,155.44-5,782.06

Finding the Fourth Proportional to 10,258.46, 14,155.44 and 5,782.06

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Solution

The fourth proportional to 10,258.46, 14,155.44 and 5,782.06 is: 7,978.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,258.46 : 14,155.44 = 5,782.06 : x
  2. Step 2: Convert to fraction form
    10,258.46/14,155.44 = 5,782.06/x
  3. Step 3: Cross multiply
    10,258.46x = 14,155.44 × 5,782.06
  4. Step 4: Simplify right side
    10,258.46x = 81,847,603.41
  5. Step 5: Solve for x
    x = 81,847,603.41/10,258.46
  6. Step 6: Final answer
    x = 7,978.55

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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.