Home / 10,386.46-14,333.32-6,407.57

Finding the Fourth Proportional to 10,386.46, 14,333.32 and 6,407.57

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Solution

The fourth proportional to 10,386.46, 14,333.32 and 6,407.57 is: 8,842.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,386.46 : 14,333.32 = 6,407.57 : x
  2. Step 2: Convert to fraction form
    10,386.46/14,333.32 = 6,407.57/x
  3. Step 3: Cross multiply
    10,386.46x = 14,333.32 × 6,407.57
  4. Step 4: Simplify right side
    10,386.46x = 91,841,795.08
  5. Step 5: Solve for x
    x = 91,841,795.08/10,386.46
  6. Step 6: Final answer
    x = 8,842.45

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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.