Home / 9,845.07-13,586.13-5,368.80

Finding the Fourth Proportional to 9,845.07, 13,586.13 and 5,368.80

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Solution

The fourth proportional to 9,845.07, 13,586.13 and 5,368.80 is: 7,408.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,845.07 : 13,586.13 = 5,368.80 : x
  2. Step 2: Convert to fraction form
    9,845.07/13,586.13 = 5,368.80/x
  3. Step 3: Cross multiply
    9,845.07x = 13,586.13 × 5,368.80
  4. Step 4: Simplify right side
    9,845.07x = 72,941,214.74
  5. Step 5: Solve for x
    x = 72,941,214.74/9,845.07
  6. Step 6: Final answer
    x = 7,408.91

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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.