Home / 7,317.84-10,085.40-5,325.24

Finding the Fourth Proportional to 7,317.84, 10,085.40 and 5,325.24

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Solution

The fourth proportional to 7,317.84, 10,085.40 and 5,325.24 is: 7,339.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,317.84 : 10,085.40 = 5,325.24 : x
  2. Step 2: Convert to fraction form
    7,317.84/10,085.40 = 5,325.24/x
  3. Step 3: Cross multiply
    7,317.84x = 10,085.40 × 5,325.24
  4. Step 4: Simplify right side
    7,317.84x = 53,707,175.50
  5. Step 5: Solve for x
    x = 53,707,175.50/7,317.84
  6. Step 6: Final answer
    x = 7,339.21

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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.