Home / 11,434.24-15,779.70-6,718.48

Finding the Fourth Proportional to 11,434.24, 15,779.70 and 6,718.48

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Solution

The fourth proportional to 11,434.24, 15,779.70 and 6,718.48 is: 9,271.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,434.24 : 15,779.70 = 6,718.48 : x
  2. Step 2: Convert to fraction form
    11,434.24/15,779.70 = 6,718.48/x
  3. Step 3: Cross multiply
    11,434.24x = 15,779.70 × 6,718.48
  4. Step 4: Simplify right side
    11,434.24x = 106,015,598.86
  5. Step 5: Solve for x
    x = 106,015,598.86/11,434.24
  6. Step 6: Final answer
    x = 9,271.77

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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.