Home / 10,258.95-14,157.66-5,782.47

Finding the Fourth Proportional to 10,258.95, 14,157.66 and 5,782.47

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Solution

The fourth proportional to 10,258.95, 14,157.66 and 5,782.47 is: 7,979.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,258.95 : 14,157.66 = 5,782.47 : x
  2. Step 2: Convert to fraction form
    10,258.95/14,157.66 = 5,782.47/x
  3. Step 3: Cross multiply
    10,258.95x = 14,157.66 × 5,782.47
  4. Step 4: Simplify right side
    10,258.95x = 81,866,244.22
  5. Step 5: Solve for x
    x = 81,866,244.22/10,258.95
  6. Step 6: Final answer
    x = 7,979.98

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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.