Home / 7,615.23-10,509.25-4,258.18

Finding the Fourth Proportional to 7,615.23, 10,509.25 and 4,258.18

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Solution

The fourth proportional to 7,615.23, 10,509.25 and 4,258.18 is: 5,876.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,615.23 : 10,509.25 = 4,258.18 : x
  2. Step 2: Convert to fraction form
    7,615.23/10,509.25 = 4,258.18/x
  3. Step 3: Cross multiply
    7,615.23x = 10,509.25 × 4,258.18
  4. Step 4: Simplify right side
    7,615.23x = 44,750,278.17
  5. Step 5: Solve for x
    x = 44,750,278.17/7,615.23
  6. Step 6: Final answer
    x = 5,876.42

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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.