Home / 7,722.12-10,656-4,365.06

Finding the Fourth Proportional to 7,722.12, 10,656 and 4,365.06

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Solution

The fourth proportional to 7,722.12, 10,656 and 4,365.06 is: 6,023.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,722.12 : 10,656 = 4,365.06 : x
  2. Step 2: Convert to fraction form
    7,722.12/10,656 = 4,365.06/x
  3. Step 3: Cross multiply
    7,722.12x = 10,656 × 4,365.06
  4. Step 4: Simplify right side
    7,722.12x = 46,514,079.36
  5. Step 5: Solve for x
    x = 46,514,079.36/7,722.12
  6. Step 6: Final answer
    x = 6,023.49

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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.