Home / 9,777.08-14,681.82-5,403.08

Finding the Fourth Proportional to 9,777.08, 14,681.82 and 5,403.08

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Solution

The fourth proportional to 9,777.08, 14,681.82 and 5,403.08 is: 8,113.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,777.08 : 14,681.82 = 5,403.08 : x
  2. Step 2: Convert to fraction form
    9,777.08/14,681.82 = 5,403.08/x
  3. Step 3: Cross multiply
    9,777.08x = 14,681.82 × 5,403.08
  4. Step 4: Simplify right side
    9,777.08x = 79,327,048.01
  5. Step 5: Solve for x
    x = 79,327,048.01/9,777.08
  6. Step 6: Final answer
    x = 8,113.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.