Home / 9,886.48-13,643.34-5,410.23

Finding the Fourth Proportional to 9,886.48, 13,643.34 and 5,410.23

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Solution

The fourth proportional to 9,886.48, 13,643.34 and 5,410.23 is: 7,466.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,886.48 : 13,643.34 = 5,410.23 : x
  2. Step 2: Convert to fraction form
    9,886.48/13,643.34 = 5,410.23/x
  3. Step 3: Cross multiply
    9,886.48x = 13,643.34 × 5,410.23
  4. Step 4: Simplify right side
    9,886.48x = 73,813,558.12
  5. Step 5: Solve for x
    x = 73,813,558.12/9,886.48
  6. Step 6: Final answer
    x = 7,466.11

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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.