Home / 7,890.54-10,888.56-4,746.12

Finding the Fourth Proportional to 7,890.54, 10,888.56 and 4,746.12

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Solution

The fourth proportional to 7,890.54, 10,888.56 and 4,746.12 is: 6,549.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,890.54 : 10,888.56 = 4,746.12 : x
  2. Step 2: Convert to fraction form
    7,890.54/10,888.56 = 4,746.12/x
  3. Step 3: Cross multiply
    7,890.54x = 10,888.56 × 4,746.12
  4. Step 4: Simplify right side
    7,890.54x = 51,678,412.39
  5. Step 5: Solve for x
    x = 51,678,412.39/7,890.54
  6. Step 6: Final answer
    x = 6,549.41

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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.