Home / 10,058.40-13,873.68-7,080.48

Finding the Fourth Proportional to 10,058.40, 13,873.68 and 7,080.48

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Solution

The fourth proportional to 10,058.40, 13,873.68 and 7,080.48 is: 9,766.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,058.40 : 13,873.68 = 7,080.48 : x
  2. Step 2: Convert to fraction form
    10,058.40/13,873.68 = 7,080.48/x
  3. Step 3: Cross multiply
    10,058.40x = 13,873.68 × 7,080.48
  4. Step 4: Simplify right side
    10,058.40x = 98,232,313.77
  5. Step 5: Solve for x
    x = 98,232,313.77/10,058.40
  6. Step 6: Final answer
    x = 9,766.20

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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.