Home / 7,842.16-10,822.47-4,305.34

Finding the Fourth Proportional to 7,842.16, 10,822.47 and 4,305.34

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Solution

The fourth proportional to 7,842.16, 10,822.47 and 4,305.34 is: 5,941.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,842.16 : 10,822.47 = 4,305.34 : x
  2. Step 2: Convert to fraction form
    7,842.16/10,822.47 = 4,305.34/x
  3. Step 3: Cross multiply
    7,842.16x = 10,822.47 × 4,305.34
  4. Step 4: Simplify right side
    7,842.16x = 46,594,412.99
  5. Step 5: Solve for x
    x = 46,594,412.99/7,842.16
  6. Step 6: Final answer
    x = 5,941.53

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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.