Home / 9,671.02-13,345.87-5,422.08

Finding the Fourth Proportional to 9,671.02, 13,345.87 and 5,422.08

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Solution

The fourth proportional to 9,671.02, 13,345.87 and 5,422.08 is: 7,482.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,671.02 : 13,345.87 = 5,422.08 : x
  2. Step 2: Convert to fraction form
    9,671.02/13,345.87 = 5,422.08/x
  3. Step 3: Cross multiply
    9,671.02x = 13,345.87 × 5,422.08
  4. Step 4: Simplify right side
    9,671.02x = 72,362,361.25
  5. Step 5: Solve for x
    x = 72,362,361.25/9,671.02
  6. Step 6: Final answer
    x = 7,482.39

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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.