Home / 12,533.40-17,295.48-7,228.32

Finding the Fourth Proportional to 12,533.40, 17,295.48 and 7,228.32

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Solution

The fourth proportional to 12,533.40, 17,295.48 and 7,228.32 is: 9,974.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,533.40 : 17,295.48 = 7,228.32 : x
  2. Step 2: Convert to fraction form
    12,533.40/17,295.48 = 7,228.32/x
  3. Step 3: Cross multiply
    12,533.40x = 17,295.48 × 7,228.32
  4. Step 4: Simplify right side
    12,533.40x = 125,017,263.99
  5. Step 5: Solve for x
    x = 125,017,263.99/12,533.40
  6. Step 6: Final answer
    x = 9,974.73

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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.