Home / 43,309.13-64,963.69-10,477.13

Finding the Fourth Proportional to 43,309.13, 64,963.69 and 10,477.13

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Solution

The fourth proportional to 43,309.13, 64,963.69 and 10,477.13 is: 15,715.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,309.13 : 64,963.69 = 10,477.13 : x
  2. Step 2: Convert to fraction form
    43,309.13/64,963.69 = 10,477.13/x
  3. Step 3: Cross multiply
    43,309.13x = 64,963.69 × 10,477.13
  4. Step 4: Simplify right side
    43,309.13x = 680,632,674.40
  5. Step 5: Solve for x
    x = 680,632,674.40/43,309.13
  6. Step 6: Final answer
    x = 15,715.69

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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.