Home / 10,967.96-15,130.50-10,543.58

Finding the Fourth Proportional to 10,967.96, 15,130.50 and 10,543.58

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Solution

The fourth proportional to 10,967.96, 15,130.50 and 10,543.58 is: 14,545.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,967.96 : 15,130.50 = 10,543.58 : x
  2. Step 2: Convert to fraction form
    10,967.96/15,130.50 = 10,543.58/x
  3. Step 3: Cross multiply
    10,967.96x = 15,130.50 × 10,543.58
  4. Step 4: Simplify right side
    10,967.96x = 159,529,637.19
  5. Step 5: Solve for x
    x = 159,529,637.19/10,967.96
  6. Step 6: Final answer
    x = 14,545.06

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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.