Home / 11,413.30-15,750.30-6,308.67

Finding the Fourth Proportional to 11,413.30, 15,750.30 and 6,308.67

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Solution

The fourth proportional to 11,413.30, 15,750.30 and 6,308.67 is: 8,705.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,413.30 : 15,750.30 = 6,308.67 : x
  2. Step 2: Convert to fraction form
    11,413.30/15,750.30 = 6,308.67/x
  3. Step 3: Cross multiply
    11,413.30x = 15,750.30 × 6,308.67
  4. Step 4: Simplify right side
    11,413.30x = 99,363,445.10
  5. Step 5: Solve for x
    x = 99,363,445.10/11,413.30
  6. Step 6: Final answer
    x = 8,705.94

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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.