Home / 10,779.40-14,875.21-6,062.77

Finding the Fourth Proportional to 10,779.40, 14,875.21 and 6,062.77

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Solution

The fourth proportional to 10,779.40, 14,875.21 and 6,062.77 is: 8,366.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,779.40 : 14,875.21 = 6,062.77 : x
  2. Step 2: Convert to fraction form
    10,779.40/14,875.21 = 6,062.77/x
  3. Step 3: Cross multiply
    10,779.40x = 14,875.21 × 6,062.77
  4. Step 4: Simplify right side
    10,779.40x = 90,184,976.93
  5. Step 5: Solve for x
    x = 90,184,976.93/10,779.40
  6. Step 6: Final answer
    x = 8,366.42

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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.