Home / 10,529.01-15,779.85-4,281.75

Finding the Fourth Proportional to 10,529.01, 15,779.85 and 4,281.75

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Solution

The fourth proportional to 10,529.01, 15,779.85 and 4,281.75 is: 6,417.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,529.01 : 15,779.85 = 4,281.75 : x
  2. Step 2: Convert to fraction form
    10,529.01/15,779.85 = 4,281.75/x
  3. Step 3: Cross multiply
    10,529.01x = 15,779.85 × 4,281.75
  4. Step 4: Simplify right side
    10,529.01x = 67,565,372.74
  5. Step 5: Solve for x
    x = 67,565,372.74/10,529.01
  6. Step 6: Final answer
    x = 6,417.07

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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.