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Finding the Fourth Proportional to 10,779.75, 14,876.10 and 6,064.11

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Solution

The fourth proportional to 10,779.75, 14,876.10 and 6,064.11 is: 8,368.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,779.75 : 14,876.10 = 6,064.11 : x
  2. Step 2: Convert to fraction form
    10,779.75/14,876.10 = 6,064.11/x
  3. Step 3: Cross multiply
    10,779.75x = 14,876.10 × 6,064.11
  4. Step 4: Simplify right side
    10,779.75x = 90,210,306.77
  5. Step 5: Solve for x
    x = 90,210,306.77/10,779.75
  6. Step 6: Final answer
    x = 8,368.50

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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.