Home / 13,130.03-19,708.41-6,560.93

Finding the Fourth Proportional to 13,130.03, 19,708.41 and 6,560.93

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Solution

The fourth proportional to 13,130.03, 19,708.41 and 6,560.93 is: 9,848.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,130.03 : 19,708.41 = 6,560.93 : x
  2. Step 2: Convert to fraction form
    13,130.03/19,708.41 = 6,560.93/x
  3. Step 3: Cross multiply
    13,130.03x = 19,708.41 × 6,560.93
  4. Step 4: Simplify right side
    13,130.03x = 129,305,498.42
  5. Step 5: Solve for x
    x = 129,305,498.42/13,130.03
  6. Step 6: Final answer
    x = 9,848.07

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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.