Home / 9,939.49-13,715.81-5,463.13

Finding the Fourth Proportional to 9,939.49, 13,715.81 and 5,463.13

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Solution

The fourth proportional to 9,939.49, 13,715.81 and 5,463.13 is: 7,538.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,939.49 : 13,715.81 = 5,463.13 : x
  2. Step 2: Convert to fraction form
    9,939.49/13,715.81 = 5,463.13/x
  3. Step 3: Cross multiply
    9,939.49x = 13,715.81 × 5,463.13
  4. Step 4: Simplify right side
    9,939.49x = 74,931,225.77
  5. Step 5: Solve for x
    x = 74,931,225.77/9,939.49
  6. Step 6: Final answer
    x = 7,538.74

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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.