Home / 10,413.90-14,371.02-5,698.08

Finding the Fourth Proportional to 10,413.90, 14,371.02 and 5,698.08

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Solution

The fourth proportional to 10,413.90, 14,371.02 and 5,698.08 is: 7,863.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,413.90 : 14,371.02 = 5,698.08 : x
  2. Step 2: Convert to fraction form
    10,413.90/14,371.02 = 5,698.08/x
  3. Step 3: Cross multiply
    10,413.90x = 14,371.02 × 5,698.08
  4. Step 4: Simplify right side
    10,413.90x = 81,887,221.64
  5. Step 5: Solve for x
    x = 81,887,221.64/10,413.90
  6. Step 6: Final answer
    x = 7,863.26

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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.