Home / 10,390.03-14,338.02-5,674.33

Finding the Fourth Proportional to 10,390.03, 14,338.02 and 5,674.33

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Solution

The fourth proportional to 10,390.03, 14,338.02 and 5,674.33 is: 7,830.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,390.03 : 14,338.02 = 5,674.33 : x
  2. Step 2: Convert to fraction form
    10,390.03/14,338.02 = 5,674.33/x
  3. Step 3: Cross multiply
    10,390.03x = 14,338.02 × 5,674.33
  4. Step 4: Simplify right side
    10,390.03x = 81,358,657.03
  5. Step 5: Solve for x
    x = 81,358,657.03/10,390.03
  6. Step 6: Final answer
    x = 7,830.45

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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.