Home / 10,445.08-14,413.54-5,728.36

Finding the Fourth Proportional to 10,445.08, 14,413.54 and 5,728.36

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Solution

The fourth proportional to 10,445.08, 14,413.54 and 5,728.36 is: 7,904.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,445.08 : 14,413.54 = 5,728.36 : x
  2. Step 2: Convert to fraction form
    10,445.08/14,413.54 = 5,728.36/x
  3. Step 3: Cross multiply
    10,445.08x = 14,413.54 × 5,728.36
  4. Step 4: Simplify right side
    10,445.08x = 82,565,945.99
  5. Step 5: Solve for x
    x = 82,565,945.99/10,445.08
  6. Step 6: Final answer
    x = 7,904.77

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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.