Home / 9,258.21-12,775.23-7,374.60

Finding the Fourth Proportional to 9,258.21, 12,775.23 and 7,374.60

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Solution

The fourth proportional to 9,258.21, 12,775.23 and 7,374.60 is: 10,176.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,258.21 : 12,775.23 = 7,374.60 : x
  2. Step 2: Convert to fraction form
    9,258.21/12,775.23 = 7,374.60/x
  3. Step 3: Cross multiply
    9,258.21x = 12,775.23 × 7,374.60
  4. Step 4: Simplify right side
    9,258.21x = 94,212,211.16
  5. Step 5: Solve for x
    x = 94,212,211.16/9,258.21
  6. Step 6: Final answer
    x = 10,176.07

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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.