Home / 10,779.90-14,876.46-6,530.82

Finding the Fourth Proportional to 10,779.90, 14,876.46 and 6,530.82

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Solution

The fourth proportional to 10,779.90, 14,876.46 and 6,530.82 is: 9,012.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,779.90 : 14,876.46 = 6,530.82 : x
  2. Step 2: Convert to fraction form
    10,779.90/14,876.46 = 6,530.82/x
  3. Step 3: Cross multiply
    10,779.90x = 14,876.46 × 6,530.82
  4. Step 4: Simplify right side
    10,779.90x = 97,155,482.50
  5. Step 5: Solve for x
    x = 97,155,482.50/10,779.90
  6. Step 6: Final answer
    x = 9,012.65

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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.