Home / 35,412.08-53,118.16-9,116.88

Finding the Fourth Proportional to 35,412.08, 53,118.16 and 9,116.88

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Solution

The fourth proportional to 35,412.08, 53,118.16 and 9,116.88 is: 13,675.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,412.08 : 53,118.16 = 9,116.88 : x
  2. Step 2: Convert to fraction form
    35,412.08/53,118.16 = 9,116.88/x
  3. Step 3: Cross multiply
    35,412.08x = 53,118.16 × 9,116.88
  4. Step 4: Simplify right side
    35,412.08x = 484,271,890.54
  5. Step 5: Solve for x
    x = 484,271,890.54/35,412.08
  6. Step 6: Final answer
    x = 13,675.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.