Home / 10,557.13-15,853.80-9,373.84

Finding the Fourth Proportional to 10,557.13, 15,853.80 and 9,373.84

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Solution

The fourth proportional to 10,557.13, 15,853.80 and 9,373.84 is: 14,076.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,557.13 : 15,853.80 = 9,373.84 : x
  2. Step 2: Convert to fraction form
    10,557.13/15,853.80 = 9,373.84/x
  3. Step 3: Cross multiply
    10,557.13x = 15,853.80 × 9,373.84
  4. Step 4: Simplify right side
    10,557.13x = 148,610,961.21
  5. Step 5: Solve for x
    x = 148,610,961.21/10,557.13
  6. Step 6: Final answer
    x = 14,076.84

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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.