Home / 10,938.68-15,095.40-5,970.68

Finding the Fourth Proportional to 10,938.68, 15,095.40 and 5,970.68

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Solution

The fourth proportional to 10,938.68, 15,095.40 and 5,970.68 is: 8,239.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,938.68 : 15,095.40 = 5,970.68 : x
  2. Step 2: Convert to fraction form
    10,938.68/15,095.40 = 5,970.68/x
  3. Step 3: Cross multiply
    10,938.68x = 15,095.40 × 5,970.68
  4. Step 4: Simplify right side
    10,938.68x = 90,129,802.87
  5. Step 5: Solve for x
    x = 90,129,802.87/10,938.68
  6. Step 6: Final answer
    x = 8,239.55

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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.