Home / 10,465.48-15,697.45-4,920.09

Finding the Fourth Proportional to 10,465.48, 15,697.45 and 4,920.09

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Solution

The fourth proportional to 10,465.48, 15,697.45 and 4,920.09 is: 7,379.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,465.48 : 15,697.45 = 4,920.09 : x
  2. Step 2: Convert to fraction form
    10,465.48/15,697.45 = 4,920.09/x
  3. Step 3: Cross multiply
    10,465.48x = 15,697.45 × 4,920.09
  4. Step 4: Simplify right side
    10,465.48x = 77,232,866.77
  5. Step 5: Solve for x
    x = 77,232,866.77/10,465.48
  6. Step 6: Final answer
    x = 7,379.77

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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.