Home / 10,509.21-14,501.70-6,475.41

Finding the Fourth Proportional to 10,509.21, 14,501.70 and 6,475.41

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Solution

The fourth proportional to 10,509.21, 14,501.70 and 6,475.41 is: 8,935.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,509.21 : 14,501.70 = 6,475.41 : x
  2. Step 2: Convert to fraction form
    10,509.21/14,501.70 = 6,475.41/x
  3. Step 3: Cross multiply
    10,509.21x = 14,501.70 × 6,475.41
  4. Step 4: Simplify right side
    10,509.21x = 93,904,453.20
  5. Step 5: Solve for x
    x = 93,904,453.20/10,509.21
  6. Step 6: Final answer
    x = 8,935.44

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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.