Home / 10,013.04-13,813.40-6,477.39

Finding the Fourth Proportional to 10,013.04, 13,813.40 and 6,477.39

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Solution

The fourth proportional to 10,013.04, 13,813.40 and 6,477.39 is: 8,935.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,013.04 : 13,813.40 = 6,477.39 : x
  2. Step 2: Convert to fraction form
    10,013.04/13,813.40 = 6,477.39/x
  3. Step 3: Cross multiply
    10,013.04x = 13,813.40 × 6,477.39
  4. Step 4: Simplify right side
    10,013.04x = 89,474,746.64
  5. Step 5: Solve for x
    x = 89,474,746.64/10,013.04
  6. Step 6: Final answer
    x = 8,935.82

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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.