Home / 9,809.02-13,534.75-5,559.20

Finding the Fourth Proportional to 9,809.02, 13,534.75 and 5,559.20

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Solution

The fourth proportional to 9,809.02, 13,534.75 and 5,559.20 is: 7,670.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,809.02 : 13,534.75 = 5,559.20 : x
  2. Step 2: Convert to fraction form
    9,809.02/13,534.75 = 5,559.20/x
  3. Step 3: Cross multiply
    9,809.02x = 13,534.75 × 5,559.20
  4. Step 4: Simplify right side
    9,809.02x = 75,242,300.63
  5. Step 5: Solve for x
    x = 75,242,300.63/9,809.02
  6. Step 6: Final answer
    x = 7,670.73

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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.