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Finding the Fourth Proportional to 10,263.65, 15,413.06 and 6,338.13

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Solution

The fourth proportional to 10,263.65, 15,413.06 and 6,338.13 is: 9,518.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,263.65 : 15,413.06 = 6,338.13 : x
  2. Step 2: Convert to fraction form
    10,263.65/15,413.06 = 6,338.13/x
  3. Step 3: Cross multiply
    10,263.65x = 15,413.06 × 6,338.13
  4. Step 4: Simplify right side
    10,263.65x = 97,689,900.37
  5. Step 5: Solve for x
    x = 97,689,900.37/10,263.65
  6. Step 6: Final answer
    x = 9,518.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.