Home / 10,557.95-15,835.09-3,160.42

Finding the Fourth Proportional to 10,557.95, 15,835.09 and 3,160.42

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Solution

The fourth proportional to 10,557.95, 15,835.09 and 3,160.42 is: 4,740.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,557.95 : 15,835.09 = 3,160.42 : x
  2. Step 2: Convert to fraction form
    10,557.95/15,835.09 = 3,160.42/x
  3. Step 3: Cross multiply
    10,557.95x = 15,835.09 × 3,160.42
  4. Step 4: Simplify right side
    10,557.95x = 50,045,535.14
  5. Step 5: Solve for x
    x = 50,045,535.14/10,557.95
  6. Step 6: Final answer
    x = 4,740.08

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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.