Home / 7,877.07-10,870.27-4,474.06

Finding the Fourth Proportional to 7,877.07, 10,870.27 and 4,474.06

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Solution

The fourth proportional to 7,877.07, 10,870.27 and 4,474.06 is: 6,174.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,877.07 : 10,870.27 = 4,474.06 : x
  2. Step 2: Convert to fraction form
    7,877.07/10,870.27 = 4,474.06/x
  3. Step 3: Cross multiply
    7,877.07x = 10,870.27 × 4,474.06
  4. Step 4: Simplify right side
    7,877.07x = 48,634,232.20
  5. Step 5: Solve for x
    x = 48,634,232.20/7,877.07
  6. Step 6: Final answer
    x = 6,174.15

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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.