Home / 9,162.06-12,643.70-4,970.31

Finding the Fourth Proportional to 9,162.06, 12,643.70 and 4,970.31

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Solution

The fourth proportional to 9,162.06, 12,643.70 and 4,970.31 is: 6,859.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,162.06 : 12,643.70 = 4,970.31 : x
  2. Step 2: Convert to fraction form
    9,162.06/12,643.70 = 4,970.31/x
  3. Step 3: Cross multiply
    9,162.06x = 12,643.70 × 4,970.31
  4. Step 4: Simplify right side
    9,162.06x = 62,843,083.70
  5. Step 5: Solve for x
    x = 62,843,083.70/9,162.06
  6. Step 6: Final answer
    x = 6,859.06

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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.