Home / 8,557.32-11,807.93-4,780.01

Finding the Fourth Proportional to 8,557.32, 11,807.93 and 4,780.01

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Solution

The fourth proportional to 8,557.32, 11,807.93 and 4,780.01 is: 6,595.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,557.32 : 11,807.93 = 4,780.01 : x
  2. Step 2: Convert to fraction form
    8,557.32/11,807.93 = 4,780.01/x
  3. Step 3: Cross multiply
    8,557.32x = 11,807.93 × 4,780.01
  4. Step 4: Simplify right side
    8,557.32x = 56,441,964.44
  5. Step 5: Solve for x
    x = 56,441,964.44/8,557.32
  6. Step 6: Final answer
    x = 6,595.75

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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.