Home / 10,386.65-14,333.60-5,670.92

Finding the Fourth Proportional to 10,386.65, 14,333.60 and 5,670.92

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Solution

The fourth proportional to 10,386.65, 14,333.60 and 5,670.92 is: 7,825.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,386.65 : 14,333.60 = 5,670.92 : x
  2. Step 2: Convert to fraction form
    10,386.65/14,333.60 = 5,670.92/x
  3. Step 3: Cross multiply
    10,386.65x = 14,333.60 × 5,670.92
  4. Step 4: Simplify right side
    10,386.65x = 81,284,748.92
  5. Step 5: Solve for x
    x = 81,284,748.92/10,386.65
  6. Step 6: Final answer
    x = 7,825.89

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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.