Home / 7,068.36-9,756.11-4,085.93

Finding the Fourth Proportional to 7,068.36, 9,756.11 and 4,085.93

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Solution

The fourth proportional to 7,068.36, 9,756.11 and 4,085.93 is: 5,639.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,068.36 : 9,756.11 = 4,085.93 : x
  2. Step 2: Convert to fraction form
    7,068.36/9,756.11 = 4,085.93/x
  3. Step 3: Cross multiply
    7,068.36x = 9,756.11 × 4,085.93
  4. Step 4: Simplify right side
    7,068.36x = 39,862,782.53
  5. Step 5: Solve for x
    x = 39,862,782.53/7,068.36
  6. Step 6: Final answer
    x = 5,639.61

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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.