Home / 9,165.04-12,647.80-4,973.28

Finding the Fourth Proportional to 9,165.04, 12,647.80 and 4,973.28

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Solution

The fourth proportional to 9,165.04, 12,647.80 and 4,973.28 is: 6,863.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,165.04 : 12,647.80 = 4,973.28 : x
  2. Step 2: Convert to fraction form
    9,165.04/12,647.80 = 4,973.28/x
  3. Step 3: Cross multiply
    9,165.04x = 12,647.80 × 4,973.28
  4. Step 4: Simplify right side
    9,165.04x = 62,901,050.78
  5. Step 5: Solve for x
    x = 62,901,050.78/9,165.04
  6. Step 6: Final answer
    x = 6,863.15

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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.