Home / 9,612.08-13,264.67-5,420.33

Finding the Fourth Proportional to 9,612.08, 13,264.67 and 5,420.33

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Solution

The fourth proportional to 9,612.08, 13,264.67 and 5,420.33 is: 7,480.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,612.08 : 13,264.67 = 5,420.33 : x
  2. Step 2: Convert to fraction form
    9,612.08/13,264.67 = 5,420.33/x
  3. Step 3: Cross multiply
    9,612.08x = 13,264.67 × 5,420.33
  4. Step 4: Simplify right side
    9,612.08x = 71,898,888.74
  5. Step 5: Solve for x
    x = 71,898,888.74/9,612.08
  6. Step 6: Final answer
    x = 7,480.06

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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.