Home / 37,615.11-56,423.88-11,320.08

Finding the Fourth Proportional to 37,615.11, 56,423.88 and 11,320.08

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Solution

The fourth proportional to 37,615.11, 56,423.88 and 11,320.08 is: 16,980.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,615.11 : 56,423.88 = 11,320.08 : x
  2. Step 2: Convert to fraction form
    37,615.11/56,423.88 = 11,320.08/x
  3. Step 3: Cross multiply
    37,615.11x = 56,423.88 × 11,320.08
  4. Step 4: Simplify right side
    37,615.11x = 638,722,835.51
  5. Step 5: Solve for x
    x = 638,722,835.51/37,615.11
  6. Step 6: Final answer
    x = 16,980.49

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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.