Home / 9,899.02-13,657.44-6,749.74

Finding the Fourth Proportional to 9,899.02, 13,657.44 and 6,749.74

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Solution

The fourth proportional to 9,899.02, 13,657.44 and 6,749.74 is: 9,312.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,899.02 : 13,657.44 = 6,749.74 : x
  2. Step 2: Convert to fraction form
    9,899.02/13,657.44 = 6,749.74/x
  3. Step 3: Cross multiply
    9,899.02x = 13,657.44 × 6,749.74
  4. Step 4: Simplify right side
    9,899.02x = 92,184,169.07
  5. Step 5: Solve for x
    x = 92,184,169.07/9,899.02
  6. Step 6: Final answer
    x = 9,312.45

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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.