Home / 28,700.63-43,050.88-7,924.07

Finding the Fourth Proportional to 28,700.63, 43,050.88 and 7,924.07

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Solution

The fourth proportional to 28,700.63, 43,050.88 and 7,924.07 is: 11,886.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,700.63 : 43,050.88 = 7,924.07 : x
  2. Step 2: Convert to fraction form
    28,700.63/43,050.88 = 7,924.07/x
  3. Step 3: Cross multiply
    28,700.63x = 43,050.88 × 7,924.07
  4. Step 4: Simplify right side
    28,700.63x = 341,137,931.81
  5. Step 5: Solve for x
    x = 341,137,931.81/28,700.63
  6. Step 6: Final answer
    x = 11,886.08

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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.