Home / 35,478.61-53,223.03-11,778.10

Finding the Fourth Proportional to 35,478.61, 53,223.03 and 11,778.10

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Solution

The fourth proportional to 35,478.61, 53,223.03 and 11,778.10 is: 17,668.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,478.61 : 53,223.03 = 11,778.10 : x
  2. Step 2: Convert to fraction form
    35,478.61/53,223.03 = 11,778.10/x
  3. Step 3: Cross multiply
    35,478.61x = 53,223.03 × 11,778.10
  4. Step 4: Simplify right side
    35,478.61x = 626,866,169.64
  5. Step 5: Solve for x
    x = 626,866,169.64/35,478.61
  6. Step 6: Final answer
    x = 17,668.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.