Home / 6,715.80-9,268.78-5,595.16

Finding the Fourth Proportional to 6,715.80, 9,268.78 and 5,595.16

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Solution

The fourth proportional to 6,715.80, 9,268.78 and 5,595.16 is: 7,722.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,715.80 : 9,268.78 = 5,595.16 : x
  2. Step 2: Convert to fraction form
    6,715.80/9,268.78 = 5,595.16/x
  3. Step 3: Cross multiply
    6,715.80x = 9,268.78 × 5,595.16
  4. Step 4: Simplify right side
    6,715.80x = 51,860,307.10
  5. Step 5: Solve for x
    x = 51,860,307.10/6,715.80
  6. Step 6: Final answer
    x = 7,722.13

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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.