Home / 46,947.19-70,420.12-11,408.77

Finding the Fourth Proportional to 46,947.19, 70,420.12 and 11,408.77

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Solution

The fourth proportional to 46,947.19, 70,420.12 and 11,408.77 is: 17,112.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,947.19 : 70,420.12 = 11,408.77 : x
  2. Step 2: Convert to fraction form
    46,947.19/70,420.12 = 11,408.77/x
  3. Step 3: Cross multiply
    46,947.19x = 70,420.12 × 11,408.77
  4. Step 4: Simplify right side
    46,947.19x = 803,406,952.45
  5. Step 5: Solve for x
    x = 803,406,952.45/46,947.19
  6. Step 6: Final answer
    x = 17,112.99

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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.