Home / 10,491.66-14,478.21-5,775.98

Finding the Fourth Proportional to 10,491.66, 14,478.21 and 5,775.98

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Solution

The fourth proportional to 10,491.66, 14,478.21 and 5,775.98 is: 7,970.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,491.66 : 14,478.21 = 5,775.98 : x
  2. Step 2: Convert to fraction form
    10,491.66/14,478.21 = 5,775.98/x
  3. Step 3: Cross multiply
    10,491.66x = 14,478.21 × 5,775.98
  4. Step 4: Simplify right side
    10,491.66x = 83,625,779.00
  5. Step 5: Solve for x
    x = 83,625,779.00/10,491.66
  6. Step 6: Final answer
    x = 7,970.69

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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.