Home / 13,058.88-19,590.48-6,485.28

Finding the Fourth Proportional to 13,058.88, 19,590.48 and 6,485.28

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Solution

The fourth proportional to 13,058.88, 19,590.48 and 6,485.28 is: 9,728.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,058.88 : 19,590.48 = 6,485.28 : x
  2. Step 2: Convert to fraction form
    13,058.88/19,590.48 = 6,485.28/x
  3. Step 3: Cross multiply
    13,058.88x = 19,590.48 × 6,485.28
  4. Step 4: Simplify right side
    13,058.88x = 127,049,748.13
  5. Step 5: Solve for x
    x = 127,049,748.13/13,058.88
  6. Step 6: Final answer
    x = 9,728.99

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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.