Home / 10,437.20-14,394.90-6,455.52

Finding the Fourth Proportional to 10,437.20, 14,394.90 and 6,455.52

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Solution

The fourth proportional to 10,437.20, 14,394.90 and 6,455.52 is: 8,903.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,437.20 : 14,394.90 = 6,455.52 : x
  2. Step 2: Convert to fraction form
    10,437.20/14,394.90 = 6,455.52/x
  3. Step 3: Cross multiply
    10,437.20x = 14,394.90 × 6,455.52
  4. Step 4: Simplify right side
    10,437.20x = 92,926,564.85
  5. Step 5: Solve for x
    x = 92,926,564.85/10,437.20
  6. Step 6: Final answer
    x = 8,903.40

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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.