Home / 7,045.80-9,711.54-5,365.32

Finding the Fourth Proportional to 7,045.80, 9,711.54 and 5,365.32

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Solution

The fourth proportional to 7,045.80, 9,711.54 and 5,365.32 is: 7,395.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,045.80 : 9,711.54 = 5,365.32 : x
  2. Step 2: Convert to fraction form
    7,045.80/9,711.54 = 5,365.32/x
  3. Step 3: Cross multiply
    7,045.80x = 9,711.54 × 5,365.32
  4. Step 4: Simplify right side
    7,045.80x = 52,105,519.79
  5. Step 5: Solve for x
    x = 52,105,519.79/7,045.80
  6. Step 6: Final answer
    x = 7,395.26

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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.