Home / 10,970.90-16,455.98-4,395.32

Finding the Fourth Proportional to 10,970.90, 16,455.98 and 4,395.32

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Solution

The fourth proportional to 10,970.90, 16,455.98 and 4,395.32 is: 6,592.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,970.90 : 16,455.98 = 4,395.32 : x
  2. Step 2: Convert to fraction form
    10,970.90/16,455.98 = 4,395.32/x
  3. Step 3: Cross multiply
    10,970.90x = 16,455.98 × 4,395.32
  4. Step 4: Simplify right side
    10,970.90x = 72,329,298.01
  5. Step 5: Solve for x
    x = 72,329,298.01/10,970.90
  6. Step 6: Final answer
    x = 6,592.83

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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.