Home / 11,075.79-15,285.08-6,294.46

Finding the Fourth Proportional to 11,075.79, 15,285.08 and 6,294.46

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Solution

The fourth proportional to 11,075.79, 15,285.08 and 6,294.46 is: 8,686.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,075.79 : 15,285.08 = 6,294.46 : x
  2. Step 2: Convert to fraction form
    11,075.79/15,285.08 = 6,294.46/x
  3. Step 3: Cross multiply
    11,075.79x = 15,285.08 × 6,294.46
  4. Step 4: Simplify right side
    11,075.79x = 96,211,313.14
  5. Step 5: Solve for x
    x = 96,211,313.14/11,075.79
  6. Step 6: Final answer
    x = 8,686.63

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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.